Himawan Tri Bayu Murti Petrus

Year	Citations
2026	443
2025	781
2024	477
2023	415
2022	305
2021	204
2020	151
2019	78
2018	57
2017	32
2016	20
2015	21
2014	30
2013	14
2012	12
2011	12
2010	8

#	Article Details	Year
1	Recovery of cenospheres from coal fly ash using a dry separation process: Separation estimation and potential application Google Scholar 👨‍🔬 T Hirajima, H Petrus, Y Oosako, M Nonaka, K Sasaki, T Ando 📚 International Journal of Mineral Processing 95 (1-4), 18-24, 2010	2010
2	Studi laju umpan pada proses biokonversi limbah pengolahan tuna menggunakan larva Hermetia illucens Google Scholar 👨‍🔬 AR Hakim, A Prasetya, HTBM Petrus 📚 Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan 12 (2), 179-192, 2017	2017
3	Enzymatic cleaning of ultrafiltration membranes fouled by protein mixture solutions Google Scholar 👨‍🔬 HB Petrus, H Li, V Chen, N Norazman 📚 Journal of Membrane Science 325 (2), 783-792, 2008	2008
4	Performance of dry-separation processes in the recovery of cenospheres from fly ash and their implementation in a recovery unit Google Scholar 👨‍🔬 H Petrus, T Hirajima, Y Oosako, M Nonaka, K Sasaki, T Ando 📚 International Journal of Mineral Processing 98 (1-2), 15-23, 2011	2011
5	Kinetics of silica precipitation in geothermal brine with seeds addition: minimizing silica scaling in a cold re-injection system Google Scholar 👨‍🔬 FA Setiawan, E Rahayuningsih, HTBM Petrus, MI Nurpratama, I Perdana 📚 Geothermal Energy 7 (1), 22, 2019	2019
6	Reaction kinetics modeling for lithium and cobalt recovery from spent lithium-ion batteries using acetic acid Google Scholar 👨‍🔬 H Setiawan, HTBM Petrus, I Perdana 📚 International Journal of Minerals, Metallurgy, and Materials 26 (1), 98-107, 2019	2019
7	A novel method: Nickel and cobalt extraction from citric acid leaching solution of nickel laterite ores using oxalate precipitation Google Scholar 👨‍🔬 W Astuti, F Nurjaman, FR Mufakhir, S Sumardi, D Avista, KC Wanta, ... 📚 Minerals Engineering 191, 107982, 2023	2023
8	Characteristic of Hg removal using zeolite adsorption and Echinodorus palaefolius phytoremediation in subsurface flow constructed wetland (SSF-CW) model Google Scholar 👨‍🔬 A Prasetya, P Prihutami, AD Warisaura, M Fahrurrozi, HTBM Petrus 📚 Journal of Environmental Chemical Engineering 8 (3), 103781, 2020	2020
9	Kinetics on roasting reduction of limonitic laterite ore using coconut-charcoal and anthracite reductants Google Scholar 👨‍🔬 HTBM Petrus, ADP Putera, E Sugiarto, I Perdana, IW Warmada, ... 📚 Minerals Engineering 132, 126-133, 2019	2019
10	Preparation of silica nanoparticles from geothermal sludge via sol-gel method Google Scholar 👨‍🔬 SNA Jenie, A Ghaisani, YP Ningrum, A Kristiani, F Aulia, HTMB Petrus 📚 AIP Conference Proceedings 2026 (1), 020008, 2018	2018
11	Lithium recovery of spent lithium-ion battery using bioleaching from local sources microorganism Google Scholar 👨‍🔬 M Hartono, MA Astrayudha, H Petrus, W Budhijanto, H Sulistyo 📚 Rasayan J. Chem 10 (3), 897-903, 2017	2017
12	Study on rare earth elements leaching from magnetic coal fly ash by citric acid Google Scholar 👨‍🔬 P Prihutami, A Prasetya, WB Sediawan, HTBM Petrus, F Anggara 📚 Journal of Sustainable Metallurgy 7 (3), 1241-1253, 2021	2021
13	Cleaning strategies for membrane fouled with protein mixtures Google Scholar 👨‍🔬 V Chen, H Li, D Li, S Tan, HB Petrus 📚 Desalination 200 (1-3), 198-200, 2006	2006
14	Cenospheres characterization from Indonesian coal-fired power plant fly ash and their potential utilization Google Scholar 👨‍🔬 HTBM Petrus, M Olvianas, W Suprapta, FA Setiawan, A Prasetya, ... 📚 Journal of Environmental Chemical Engineering 8 (5), 104116, 2020	2020
15	Sulfuric Acid Leaching of Heavy Rare Earth Elements (HREEs) from Indonesian Zircon Tailing Google Scholar 👨‍🔬 I Trisnawati, G Prameswara, P Mulyono, A Prasetya, HTBM Petrus 📚 International Journal of Technology, 2020	2020
16	Green geopolymer cement with dry activator from geothermal sludge and sodium hydroxide Google Scholar 👨‍🔬 HTBM Petrus, FI Fairuz, N Sa’dan, M Olvianas, W Astuti, SNA Jenie, ... 📚 Journal of Cleaner Production 293, 126143, 2021	2021
17	Evaluation of shrinking core model in leaching process of Pomalaa nickel laterite using citric acid as leachant at atmospheric conditions Google Scholar 👨‍🔬 KC Wanta, I Perdana, HTBM Petrus 📚 IOP conference series: materials science and engineering 162 (1), 012018, 2016	2016
18	Kinetic study in atmospheric pressure organic acid leaching: shrinking core model versus lump model Google Scholar 👨‍🔬 KC Wanta, W Astuti, I Perdana, HTBM Petrus 📚 Minerals 10 (7), 613, 2020	2020
19	Characterization and mode of occurrence of rare earth elements and yttrium in fly and bottom ash from coal-fired power plants in Java, Indonesia Google Scholar 👨‍🔬 DAA Besari, F Anggara, W Rosita, HTBM Petrus 📚 International Journal of Coal Science & Technology 9 (1), 20, 2022	2022
20	Recent advances in the adsorptive removal of heavy metals from acid mine drainage by conventional and novel materials: A review Google Scholar 👨‍🔬 YG Wibowo, T Taher, K Khairurrijal, BS Ramadan, H Safitri, S Sudibyo, ... 📚 Bioresource Technology Reports 25, 101797, 2024	2024
21	Leaching Behaviour and Kinetic of Light and Heavy Rare Earth Elements (REE) from Zircon Tailings in Indonesia: Prameswara, Trisnawati, Mulyono, Prasetya, and Petrus Google Scholar 👨‍🔬 G Prameswara, I Trisnawati, P Mulyono, A Prasetya, HTBM Petrus 📚 Jom 73 (4), 988-998, 2021	2021
22	Effects of sodium thiosulphate on chalcopyrite and tennantite: An insight for alternative separation technique Google Scholar 👨‍🔬 HTBM Petrus, T Hirajima, K Sasaki, H Okamoto 📚 International Journal of Mineral Processing 102, 116-123, 2012	2012
23	Sequential alkaline-organic acid leaching process to enhance the recovery of rare earth elements from Indonesian coal fly ash Google Scholar 👨‍🔬 W Rosita, I Perdana, IM Bendiyasa, F Anggara, HTBM Petrus, A Prasetya, ... 📚 Journal of Rare Earths 42 (7), 1366-1374, 2024	2024
24	Synthesis of titanium ion sieves and its application for lithium recovery from artificial indonesian geothermal brine Google Scholar 👨‍🔬 IWCWH Tangkas, VSH Sujoto, W Astuti, SNA Jenie, F Anggara, AP Utama, ... 📚 Journal of Sustainable Metallurgy 9 (2), 613-624, 2023	2023
25	Effect of operating conditions on lithium recovery from synthetic geothermal brine using electrodialysis method Google Scholar 👨‍🔬 VSH Sujoto, Sutijan, W Astuti, S Sumardi, ISY Louis, HTBM Petrus 📚 Journal of Sustainable Metallurgy 8 (1), 274-287, 2022	2022
26	Circular economy of coal fly ash and silica geothermal for green geopolymer: characteristic and kinetic study Google Scholar 👨‍🔬 HTBM Petrus, M Olvianas, MF Shafiyurrahman, IGAAN Pratama, ... 📚 Gels 8 (4), 233, 2022	2022
27	Tinjauan pustaka karakterisasi dan potensi pemanfaatan fly ash dan bottom ash (faba) Google Scholar 👨‍🔬 F Anggara, HTBM Petrus, DAA Besari, H Manurung, FYA Saputra 📚 Buletin Sumber Daya Geologi 16 (1), 53-70, 2021	2021
28	Studi kinetika proses atmospheric pressure acid leaching bijih laterit limonit menggunakan larutan asam nitrat konsentrasi rendah Google Scholar 👨‍🔬 KC Wanta, FH Tanujaya, RF Susanti, HTBM Petrus, I Perdana, W Astuti 📚 Jurnal Rekayasa Proses 12 (2), 19-26, 2018	2018
29	Lithium separation from geothermal brine to develop critical energy resources using high-pressure nanofiltration technology: characterization and optimization Google Scholar 👨‍🔬 S Sutijan, SA Darma, CM Hananto, VSH Sujoto, F Anggara, SNA Jenie, ... 📚 Membranes 13 (1), 86, 2023	2023
30	Microencapsulation of betacyanin from red dragon fruit (Hylocereus polyrhizus) peels using pectin by simple coacervation to enhance stability Google Scholar 👨‍🔬 E Rahayuningsih, FA Setiawan, ABK Rahman, T Siahaan, HTBM Petrus 📚 Journal of Food Science and Technology 58 (9), 3379-3387, 2021	2021
31	Nickel recovery optimization and kinetic study of morowali laterite ore Google Scholar 👨‍🔬 G Prameswara, FYP Tyassena, M Pasaribu, I Trisnawati, HTBM Petrus 📚 Transactions of the Indian Institute of Metals 76 (5), 1341-1348, 2023	2023
32	Kinetics of Yttrium Dissolution from Alkaline Fusion on Zircon Tailings Google Scholar 👨‍🔬 G Prameswara, I Trisnawati, H Poernomo, P Mulyono, A Prasetya, ... 📚 Mining, Metallurgy & Exploration, 2020	2020
33	Functionalized magnetite-biochar with live and dead bacteria for adsorption-biosorption of highly toxic metals: Cd, Hg, and Pb Google Scholar 👨‍🔬 YG Wibowo, D Anwar, H Safitri, I Surya, S Sudibyo, AT Yuliansyah, ... 📚 Next Materials 6, 100487, 2025	2025
34	Effect of pulp density and particle size on indirect bioleaching of Pomalaa nickel laterite using metabolic citric acid Google Scholar 👨‍🔬 H Petrus, KC Wanta, H Setiawan, I Perdana, W Astuti 📚 IOP Conference Series: Materials Science and Engineering 285 (1), 012004, 2018	2018
35	Effect of pH and diethyl dithiophosphate (DTP) treatment on chalcopyrite and tennantite surfaces observed using atomic force microscopy (AFM) Google Scholar 👨‍🔬 HTBM Petrus, T Hirajima, K Sasaki, H Okamoto 📚 Colloids and Surfaces A: Physicochemical and Engineering Aspects 389 (1-3 …, 2011	2011
36	Advancing lithium extraction: a comprehensive review of titanium-based lithium-ion sieve utilization in geothermal brine Google Scholar 👨‍🔬 VSH Sujoto, A Prasetya, HTBM Petrus, W Astuti, SNA Jenie, F Anggara, ... 📚 Journal of Sustainable Metallurgy 10 (4), 1959-1982, 2024	2024
37	Geothermal silica-based fluorescent nanoparticles for the visualization of latent fingerprints Google Scholar 👨‍🔬 ASN Jenie, FSH Krismastuti, YP Ningrum, A Kristiani, MD Yuniati, W Astuti, ... 📚 Materials Express 10 (2), 258-266, 2020	2020
38	Pengaruh Derajat Keasaman (pH) dalam Proses Presipitasi Hidroksida Selektif Ion Logam dari Larutan Ekstrak Spent Catalyst Google Scholar 👨‍🔬 KC Wanta, FD Putra, RF Susanti, GP Gemilar, W Astuti, S Virdhian, ... 📚 Jurnal Rekayasa Proses 13 (2), 2019	2019
39	Synthesis and characterization of biocomposites based on chitosan and geothermal silica Google Scholar 👨‍🔬 Y Kusumastuti, HTBM Petrus, F Yohana, AT Buwono, RB Zaqina 📚 AIP Conference Proceedings 1823 (1), 020127, 2017	2017
40	Lithium recovery from mixed spent LFP-NMC batteries through atmospheric water leaching Google Scholar 👨‍🔬 I Perdana, DR Aprilianto, FA Fadillah, R Fadli, HTBM Petrus, W Astuti, ... 📚 Scientific Reports 15 (1), 2591, 2025	2025
41	Signature characteristics of coal geochemistry from the Eocene Tanjung Formation and the Miocene Warukin Formation, Barito Basin: Insights into geological control on coal … Google Scholar 👨‍🔬 F Anggara, AA Patria, B Rahmat, H Wibisono, MZJ Putera, HTBM Petrus, ... 📚 International Journal of Coal Geology 282, 104423, 2024	2024
42	Study of the optimization of gold ore concentration using gravity separator (shaking table): case study for LS epithermal gold deposit in Artisanal Small scale Gold Mining … Google Scholar 👨‍🔬 R Ernawati, A Idrus, H Petrus 📚 IOP Conference Series: Earth and Environmental Science 212 (1), 012019, 2018	2018
43	Effect of bentonite addition on geopolymer concrete from geothermal silica Google Scholar 👨‍🔬 HTBM Petrus, J Hulu, GSP Dalton, E Malinda, RA Prakosa 📚 Materials Science Forum 841, 7-15, 2016	2016
44	Biochar MMT ZnAl LDH composite materials derived from solid waste for heavy metal removal in artificial acid mine drainage Google Scholar 👨‍🔬 YG Wibowo, H Safitri, Kusumawati, WD Aini, R Farantino, SB Ginting, ... 📚 Scientific reports 15 (1), 14914, 2025	2025
45	Effect of sulfate and carbonate ions on Lithium Carbonate Precipitation from a low concentration Lithium containing solution Google Scholar 👨‍🔬 DR Aprilianto, I Perdana, Rochmadi, HTBM Petrus 📚 Industrial & Engineering Chemistry Research 63 (11), 4918-4933, 2024	2024
46	Energy and Exergy Analysis of Dieng Geothermal Power Plant Google Scholar 👨‍🔬 AH Qurrahman, W Wilopo, SP Susanto, HTBM Petrus 📚 International Journal of Technology 12 (1), 2021	2021
47	Potensi Larva Hermetia illucens sebagai Pereduksi Limbah Industri Pengolahan Hasil Perikanan The Potential of Hermetia illucens Larvae as Reducer of Industrial Fish Processing … Google Scholar 👨‍🔬 AR Hakim, A Prasetya, H Petrus 📚 Jurnal Perikanan Universitas Gadjah Mada 19 (1), 39-44, 2017	2017
48	Fly ash and bottom ash utilization as geopolymer: Correlation on compressive strength and degree of polymerization observed using FTIR Google Scholar 👨‍🔬 AS Adelizar, M Olvianas, DM Adythia, MF Syafiyurrahman, I Pratama, ... 📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012042, 2020	2020
49	Recovering secondary REE value from spent oil refinery catalysts using biogenic organic acids Google Scholar 👨‍🔬 MP Dewi, HTBM Petrus, N Okibe 📚 Catalysts 10 (9), 1090, 2020	2020
50	Product Diffusion-Controlled Leaching of Nickel Laterite using Low Concentration Citric Acid Leachant at Atmospheric Condition Google Scholar 👨‍🔬 IP Kevin Cleary Wanta, Widi Astuti, Himawan Tri Bayu Murti Petrus 📚 International Journal of Technology 13 (2), 410-421, 2022	2022
51	Preparation, Characterization, and Release Study of Nanosilica/Chitosan Composite Films Google Scholar 👨‍🔬 MK Nadya Alfa Cahaya Imani, Yuni Kusumastuti, Himawan Tri Bayu Murti Petrus ... 📚 International Journal of Technology 13 (2), 444-453, 2022	2022
52	Synthesis and characteristic of nanosilica from geothermal sludge: Effect of surfactant Google Scholar 👨‍🔬 AR Adiatama, RF Susanti, W Astuti, HTBM Petrus, KC Wanta 📚 Jurnal Metalurgi 37 (2), 73-86, 2022	2022
53	A kinetics study of acetic acid on cobalt leaching of spent LIBs: Shrinking Core Model Google Scholar 👨‍🔬 H Setiawan, HTBM Petrus, I Perdana 📚 MATEC Web of Conferences 154, 01033, 2018	2018
54	IR spectral similarity studies of geothermal silica-bentonite based geopolymer Google Scholar 👨‍🔬 M Olvianas, A Widiyatmoko, HTBM Petrus 📚 AIP conference proceedings 1887 (1), 020015, 2017	2017
55	GAMA-RainFilter: a modified rainwater harvesting technique to meet the demand of clean water in Indonesia Google Scholar 👨‍🔬 A Maryono, S Nuranto, PTS Sembada, HTBM Petrus 📚 International Journal of Hydrology Science and Technology 13 (1), 1-22, 2022	2022
56	Kinetic study of lithium leaching from Sidoarjo mud using sulfuric acid Google Scholar 👨‍🔬 A Maulidia, VSH Sujoto, DPA Sudarmaja, JJE Putri, SNA Jenie, W Astuti, ... 📚 Mining, Metallurgy & Exploration 40 (4), 1279-1288, 2023	2023
57	Separation characteristic and selectivity of lithium from geothermal brine using forward osmosis Google Scholar 👨‍🔬 PCBW Mustika, W Astuti, S Sumardi, HTBM Petrus, Sutijan 📚 Journal of Sustainable Metallurgy 8 (4), 1769-1784, 2022	2022
58	Recovery of Rare earth elements and yitrium from non-magnetic coal fly ash using acetic acid solution Google Scholar 👨‍🔬 H Manurung, W Rosita, IM Bendiyasa, A Prasetya, F Anggara, W Astuti, ... 📚 J. Metal. Ind 42, 35-42, 2020	2020
59	Uji validitas model shrinking core terhadap pengaruh konsentrasi asam sitrat dalam proses leaching nikel laterit Google Scholar 👨‍🔬 KC Wanta, HTBM Petrus, I Perdana, W Astuti 📚 JURNAL REKAYASA PROSES 11 (1), 2017	2017
60	Study on the geopolymerization of geothermal silica and kaolinite Google Scholar 👨‍🔬 M Olvianas, M Najmina, BSL Prihardana, FA Sutapa, A Nurhayati, ... 📚 Advanced Materials Research 1112, 528-532, 2015	2015
61	Kinetics Study of Yttrium Leaching from Zircon Tailings Using Sulfuric Acid Google Scholar 👨‍🔬 H Supriadi, I Trisnawati, T Handini, SR Susilowati, VSH Sujoto, P Mulyono, ... 📚 Indonesian Journal of Chemistry, 2023	2023
62	A Growth Kinetics Model for Black Soldier Fly (Hermetia illucens) Larvae Google Scholar 👨‍🔬 A Prasetya, R Darmawan, TLB Araujo, HTBM Petrus, FA Setiawan 📚 International Journal of Technology 12, 2021	2021
63	Valorization of Geothermal Silica and Natural Bentonite through Geopolymerization: A Characterization Study and Response Surface Design Google Scholar 👨‍🔬 HTBM Petrus, M Olvianas, W Astuti, MI Nurpratama 📚 International Journal of Technology 12, 2021	2021
64	Optimization of multistage precipitation processes for rare earth element purification from Indonesian zircon tailings Google Scholar 👨‍🔬 I Trisnawati, A Yulandra, G Prameswara, WR Pusparini, P Mulyono, ... 📚 Journal of Sustainable Metallurgy 7 (2), 537-546, 2021	2021
65	Phosphate decomposition by alkaline roasting to concentrate rare earth elements from monazite of Bangka Island, Indonesia Google Scholar 👨‍🔬 T Purwanti, M Setyadji, W Astuti, I Perdana, HTBM Petrus 📚 Journal of Mining Science 56 (3), 477-485, 2020	2020
66	Leaching behavior of lanthanum, nickel and iron from spent catalyst using inorganic acids Google Scholar 👨‍🔬 W Astuti, NM Prilitasari, Y Iskandar, D Bratakusuma, H Petrus 📚 IOP Conference Series: Materials Science and Engineering 285 (1), 012007, 2018	2018
67	Optimization of gold ore Sumbawa separation using gravity method: Shaking table Google Scholar 👨‍🔬 AD Ferdana, HTBM Petrus, IM Bendiyasa, ID Prijambada, F Hamada, ... 📚 AIP Conference Proceedings 1945 (1), 020070, 2018	2018
68	Atmospheric leaching behavior and kinetics study of roasted laterite ore Google Scholar 👨‍🔬 G Prameswara, I Amin, AN Ulfah, I Trisnawati, HTBM Petrus, F Puspita 📚 Mining, Metallurgy & Exploration 41 (2), 1025-1033, 2024	2024
69	Characterization of Nitrogen Release in Modified Controlled-Release-Fertilizer using Rice Husk Biochar Google Scholar 👨‍🔬 HTBM Petrus, ADP Putera, IP Wangi, MA Ramadhian, H Setiawan, ... 📚 International Journal of Technology, 2020	2020
70	Recovery of hollow and spherical particles from coal fly ash by wet separation process Google Scholar 👨‍🔬 T HIRAJIMA, Y OOSAKO, M NONAKA, H Petrus, K SASAKI, T ANDO 📚 Journal of MMIJ 124 (12), 878-884, 2008	2008
71	Utilization of high-volume fly ash in pervious concrete mixtures for mangrove conservation Google Scholar 👨‍🔬 JJ Ekaputri, XDEA Ruitan, HTBM Petrus, M Anda, LH Purbawinasta, ... 📚 Resources, conservation & recycling advances 21, 200204, 2024	2024
72	Indonesian nickel overview: potential, development and future prospects Google Scholar 👨‍🔬 J ChuanYu, H Manurung, F Anggara, HTBM Petrus 📚 Conference of Metallurgists, 753-763, 2024	2024
73	Highly efficient modified constructed wetlands using waste materials for natural acid mine drainage treatment Google Scholar 👨‍🔬 YG Wibowo, C Wijaya, A Yudhoyono, Sudibyo, AT Yuliansyah, H Safitri, ... 📚 Sustainability 15 (20), 14869, 2023	2023
74	Forward Osmosis to Concentrate Lithium from Brine: The Effect of Operating Conditions (pH and Temperature) Google Scholar 👨‍🔬 Sutijan, S Wahyudi, MF Ismail, PCB Mustika, W Astuti, A Prasetya, ... 📚 International Journal of Technology 13 (1), 136-146, 2022	2022
75	Kinetics of fly ash geopolymerization using semi quantitative fourier-transform infrared spectroscopy (FTIR); corr data Google Scholar 👨‍🔬 HTB Murti Petrus, AS Adelizar, A Widiyatmoko, M Olvianas, W Suprapta, ... 📚 IOP Conference Series: Materials Science and Engineering 532 (1), 012001, 2019	2019
76	A comprehensive review of layered double hydroxide/magnetite-biochar for chromium removal from wastewater Google Scholar 👨‍🔬 YG Wibowo, D Anwar, H Safitri, A Setiawan, YI Supriyatna, AT Yuliansyah, ... 📚 Bioresource Technology Reports 29, 102034, 2025	2025
77	Leaching characteristics of lanthanum from a secondary resource using inorganic and organic acids: Emphasizing the citric acid kinetics Google Scholar 👨‍🔬 W Astuti, FR Mufakhir, FA Setiawan, KC Wanta, HTBM Petrus 📚 Circular Economy and Sustainability 3 (1), 241-252, 2023	2023
78	Kinetics of Electrically Enhanced Boron Removal From Silicon Using CaO-SiO2 and CaO-SiO2-Al2O3 Slag Google Scholar 👨‍🔬 ADP Putera, MS Islam, KL Avarmaa, H Petrus, GA Brooks, ... 📚 Metallurgical and Materials Transactions B 54 (3), 1228-1244, 2023	2023
79	Rapid and highly efficient adsorption of dye and heavy metal on low-cost adsorbent derived from human feces and chlorella vulgaris Google Scholar 👨‍🔬 YG Wibowo, BRG Lululangin, H Safitri, A Rohman, S Priyanto, ... 📚 Environmental Nanotechnology, Monitoring & Management 20, 100905, 2023	2023
80	Lithium recovery from synthetic geothermal brine using electrodialysis method Google Scholar 👨‍🔬 VSH Sujoto, Sutijan, W Astuti, FR Mufakhir, H Petrus 📚 IOP Conference Series: Earth and Environmental Science 882 (1), 012003, 2021	2021
81	Understanding membrane fouling in pressure-driven and thermal-driven processes for brines applications: challenges, mechanisms, characterization, mitigation strategies, and … Google Scholar 👨‍🔬 PCBW Mustika, PD Sutrisna, S Sutijan, HTBM Petrus, S Sumardi, W Astuti 📚 Journal of Water Process Engineering 72, 107631, 2025	2025
82	Community empowerment through sustainable utilisation of mangrove forests for the production of natural dyes with an environmentally friendly system (phase I: Increasing … Google Scholar 👨‍🔬 DT Adriyanti, TWS Putri, A Mindaryani, A Prasetya, H Petrus 📚 Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal Of Community …, 2023	2023
83	Molybdenum extraction from spent catalyst using citric acid: characteristic and kinetics study Google Scholar 👨‍🔬 AS Rezki, S Sumardi, W Astuti, I Made Bendiyasa, HTBM Petrus 📚 IOP Conference Series: Earth and Environmental Science 830 (1), 012020, 2021	2021
84	Valuable metals extraction from hydrocracking spent catalyst using citric acid Google Scholar 👨‍🔬 DP Sari, A Tawfiequrahman, HTBM Petrus, FR Mufakir, W Astuti, ... 📚 Seminar Nasional Teknik Kimia" Kejuangan", G4-G4, 2018	2018
85	Study of diethyl dithiophosphate adsorption on chalcopyrite and tennantite at varied pHs Google Scholar 👨‍🔬 H Petrus, T Hirajima, K Sasaki, H Okamoto 📚 Journal of Mining Science 47 (5), 695-702, 2011	2011
86	Understanding FABA composition in coal-fired power plants: Impact of operating conditions and combustion efficiency on ash characteristics–A case study in PT Bukit Asam, South … Google Scholar 👨‍🔬 F Anggara, DAA Besari, D Timotius, DH Amijaya, W Al Hasunah, ... 📚 Results in Engineering 23, 102590, 2024	2024
87	Correlation of Nano Titanium Dioxide Synthesis and the Mineralogical Characterization of Ilmenite Ore as Raw Material Google Scholar 👨‍🔬 YI Supriyatna, W Astuti, S Sumardi, Sudibyo, A Prasetya, LI Ginting, ... 📚 International Journal of Technology 12 (4), 749-759, 2021	2021
88	Leaching of REY from Non-magnetic Coal Fly Ash with Acetic Acid Google Scholar 👨‍🔬 H Manurung, W Rosita, F Anggara, H Petrus, IM Bendiyasa 📚 IOP Conference Series: Materials Science and Engineering 778, 2020	2020
89	Pengaruh Reagen Pelindian pada Sintesis ZnO dari Debu Tungku Busur Listrik Google Scholar 👨‍🔬 W Astuti, A Haerudin, IN Eskani, APT Yuda, F Nurjaman, J Setiawan, ... 📚 Jurnal Rekayasa Proses 14 (1), 2020	2020
90	Potency of rare earth elements and yttrium in Indonesia coal ash Google Scholar 👨‍🔬 W Rosita, DAA Besari, IM Bendiyasa, I Perdana, F Anggara, HTBM Petrus 📚 Key Engineering Materials 849, 102-107, 2020	2020
91	Characterization and A Preliminary Study of TiO2 Synthesis from Lampung Iron Sand Google Scholar 👨‍🔬 YI Supriyatna, S Sumardi, W Astuti, AN Nainggolan, AW Ismail, ... 📚 Key Engineering Materials 849, 113-118, 2020	2020
92	Kinetic study of nickel laterite reduction roasting by palm kernel shell charcoal Google Scholar 👨‍🔬 E Sugiarto, ADP Putera, H Petrus 📚 IOP Conference Series: Earth and Environmental Science 65 (1), 012027, 2017	2017
93	Recovery of Critical Elements (Dysprosium and Ytterbium) from Alkaline Process of Indonesian Zircon Tailings: Selective Leaching and Kinetics Study Google Scholar 👨‍🔬 G Prameswara, I Trisnawati, T Handini, H Poernomo, P Mulyono, ... 📚 International Journal of Technology 14 (1), 770-779, 2023	2023
94	Lithium titanium oxide synthesis by solid-state reaction for lithium adsorption from artificial brine source Google Scholar 👨‍🔬 I H Tangkas, W Astuti, Sutijan, S Sumardi, H Petrus 📚 IOP Conference Series: Earth and Environmental Science 882 (1), 012005, 2021	2021
95	Nutrient Recovery from Slaughterhouse Wastewater Google Scholar 👨‍🔬 HTBMPCWP S Sreyvich 📚 IOP Conference Series: Materials Science and Engineering, 26th Regional …, 2020	2020
96	Effect of sonication time and particle size for synthesis of magnetic nanoparticle from local iron sand Google Scholar 👨‍🔬 NRE Putri, SI Firdausi, M Najmina, S Amelia, D Timotius, Y Kusumastuti, ... 📚 J. Eng. Sci. Technol 15 (2), 894-904, 2020	2020
97	Characterization of three dimensional scaffolds from local chitosan/alginate/geothermal silica for potential tissue engineering applications Google Scholar 👨‍🔬 Y Kusumastuti, M Kobayashi, FY Purwaningtyas, M Najmina, ... 📚 Journal of Engineering Science and Technology 13 (11), 3500-3515, 2018	2018
98	Pelindian Nikel dari Bijih LimonitLow-Grade Pomalaa Menggunakan Pelarut Asam Asetat Google Scholar 👨‍🔬 HSEA Agustina, IMA Bendiyasa, HTBM Petrus, FR Mufakir, W Astuti 📚 Seminar Nasional Teknik Kimia" Kejuangan", 8, 2018	2018
99	From geothermal sources to advanced applications: A review of sustainable silica nanomaterials Google Scholar 👨‍🔬 SNA Jenie, A Kristiani, RR Widjaya, Y Kusumastuti, P Prihutami, W Astuti, ... 📚 Materials Today Communications 43, 111635, 2025	2025
100	A Product Diffusion Model for the Extraction of Cerium and Yttrium from Magnetic Coal Fly Ash Using Citric Acid Solution Google Scholar 👨‍🔬 P Prihutami, WB Sediawan, A Prasetya, HTBM Petrus 📚 International Journal of Technology 13 (4), 921-930, 2022	2022
101	Investigation on Saprolitic Laterite Ore Reduction Process using Palm Kernel Shell Charcoal: Kinetics and Phase Transformation Google Scholar 👨‍🔬 HTBM Petrus, ADP Putera, IW Warmada, F Nurjaman, W Astuti, ... 📚 International Journal of Technology 13 (3), 565-574, 2022	2022
102	Increasing of metal recovery in leaching process of spent catalyst at low temperature: The addition of hydrogen peroxide and sodium chloride Google Scholar 👨‍🔬 KC Wanta, EY Natapraja, RF Susanti, GP Gemilar, W Astuti, HTBM Petrus 📚 Jurnal Metalurgi 36 (2), 77-86, 2021	2021
103	Preliminary study of rare earth element and yttrium (REY) content of coal in Sangatta Coalfield, East Kalimantan, Indonesia Google Scholar 👨‍🔬 F Anggara, HTBM Petrus, AA Patria, AS Bangun 📚 Indonesian Journal on Geoscience 7 (3), 305-314, 2020	2020
104	Performance of Kulon Progo low grade manganese ore leaching using acetic acid and its selectivity Google Scholar 👨‍🔬 RD Anggraeni, A Prasetya, H Petrus, RB Cahyono, S Sumardi, W Astuti 📚 IOP Conference Series: Materials Science and Engineering 478 (1), 012008, 2019	2019
105	Lamtoro charcoal (l. leucocephala) as bioreductor in nickel laterite reduction: performance and kinetics study Google Scholar 👨‍🔬 H Petrus, A Diga, AR Rhamdani, IW Warmada, AT Yuliansyah, I Perdana 📚 Journal of Physics: Conference Series 817 (1), 012065, 2017	2017
106	The Influence of Precursor to Activator Ratio and Curing Temperature on Geopolymer Paste with One-Part Method Google Scholar 👨‍🔬 A Widayanti, JJ Ekaputri, IN Amini, HTBM Petrus, AA Putri, RAA Soemitro, ... 📚 Civil Engineering Journal 11 (07), 2025	2025
107	On the diffusivity of boron in slag during silicon refining Google Scholar 👨‍🔬 ADP Putera, K Avarmaa, H Petrus, GA Brooks, MA Rhamdhani 📚 Journal of Sustainable Metallurgy 10 (3), 1085-1093, 2024	2024
108	Zeolite functionalized with macroalgae as novel material for Fe and Mn removal from real acid mine drainage Google Scholar 👨‍🔬 YG Wibowo, MT Sahnur, PS Al-Aziza, H Safitri, D Anwar, AT Maryani, ... 📚 Bioresource Technology Reports 27, 101951, 2024	2024
109	Recovery of rare earth elements from coal fly ash with high calcium and iron contents using alkaline and acid leaching Google Scholar 👨‍🔬 JA Widowati, W Rosita, HTBM Petrus, F Anggara, RDD Putra, Suyanti 📚 Mining, Metallurgy & Exploration 41 (6), 3505-3516, 2024	2024
110	Penentuan kondisi optimum pembuatan silica gel menggunakan silika geothermal dengan metode sol-gel Google Scholar 👨‍🔬 VSH Sujoto, IWCWH Tangkas, W Astuti, S Sumardi, SNA Jenie, ... 📚 Jurnal Rekayasa Proses, 2023	2023
111	Recovery of cobalt and molybdenum from consumed catalyst using hydrochloric acid Google Scholar 👨‍🔬 DK Sutama, A Prasetya, H Petrus, W Astuti 📚 IOP Conference Series: Earth and Environmental Science 882 (1), 012004, 2021	2021
112	Synthesis and characterization of nickel hydroxide from extraction solution of spent catalyst Google Scholar 👨‍🔬 KC Wanta, FH Tanujaya, FD Putra, RF Susanti, GP Gemilar, W Astuti, ... 📚 Jurnal Metalurgi 35 (3), 111-118, 2020	2020
113	Separation mechanism of tennantite and chalcopyrite with flotation after oxidation using oxygen Google Scholar 👨‍🔬 HTBM Petrus, T Hirajima, K Sasaki, H Okamoto 📚 27th International Mineral Processing Congress, IMPC 2014, 2014	2014
114	Integrated adsorption-phytoremediation as facile and low-cost method for recovery of valuable minerals from mining waste Google Scholar 👨‍🔬 YG Wibowo, D Anwar, A Rinovian, AT Maryani, H Syarifuddin, ... 📚 Bioresource Technology Reports 29, 102093, 2025	2025
115	Comprehensive Review of Hybrid Absorption-Adsorption Techniques for Chromium Removal from Wastewater Using Magnetite-Zeolite Suspended in Glycol Slurry Google Scholar 👨‍🔬 YG Wibowo, D Anwar, H Safitri, A Setiawan, S Sudibyo, AT Yuliansyah, ... 📚 Colloids and Surfaces C: Environmental Aspects 3, 100066, 2025	2025
116	Preparation of Sulfonated SiO2 Catalyst from Geothermal Sludge Waste for Sago Flour Hydrolysis Google Scholar 👨‍🔬 E Suhadi, A Sylviana, F Kurniawansyah, H Ni'mah, HTBM Petrus, ... 📚 Advances in Science and Technology 138, 71-75, 2024	2024
117	Roasting Decomposition for Phosphate Separation from Zircon Tailing Google Scholar 👨‍🔬 I Trisnawati, G Prameswara, EP Sari, A Prasetya, P Mulyono, H Petrus 📚 Journal of Mining Science 58 (5), 830-838, 2023	2023
118	Passive removal of sulphate and heavy metals from acid mine drainage using sewage sludge and fly ash Google Scholar 👨‍🔬 R Anungstri, A Prasetya, HT Bayu 📚 IOP Conference Series: Earth and Environmental Science 1201 (1), 012076, 2023	2023
119	Synthesis of Nickel Oxalate from Extract Solution of Nickel Laterite Ore: Optimation and Kinetics Study Google Scholar 👨‍🔬 S Surianti, KC Wanta, W Astuti, FR Mufakhir, I Perdana, HTBM Petrus 📚 Journal of Mining Science 58 (3), 476-485, 2022	2022
120	Enhanced mechanical properties of organic-inorganic chitosan/nano silica composite film Google Scholar 👨‍🔬 NAC Imani, Y Kusumastuti, H Petrus, D Timotius, M Kobayashi 📚 Journal of Advanced Manufacturing Technology (JAMT) 15 (2), 2021	2021
121	Subcritical water as a solvent for extraction of nickel and aluminum ions from reforming spent catalysts Google Scholar 👨‍🔬 KC Wanta, WT Gunawan, RF Susanti, GP Gemilar, H Petrus, W Astuti 📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012025, 2020	2020
122	Fresh Neem Leaves (Azadirachta indica A. Juss) Extraction and Application: An Optimization using Response Surface Methodology Google Scholar 👨‍🔬 E RAHAYUNINGSIH, IS SUBAGYA, FA SETIAWAN, H PETRUS 📚 Asian Journal of Chemistry 31 (11), 2567-2574, 2019	2019
123	Effect of temperature and acid concentration on lanthanum extraction from spent catalyst using organic acid Google Scholar 👨‍🔬 H Petrus, A Wijaya, ADP Putra, Y Iskandar, D Bratakusuma, FR Mufakhir, ... 📚 IOP Conference Series: Materials Science and Engineering 478 (1), 012017, 2019	2019
124	Struvite precipitation using continuous flow reactor Google Scholar 👨‍🔬 CW Purnomo, YN Marpaung, S Sreyvich, I Fadlilah, HTBM Petrus 📚 AIP Conference Proceedings 2085 (1), 020005, 2019	2019
125	Coconut shell charcoal as a bioreductor in roasting process of nickel laterite from Pomalaa, Southeast Sulawesi: performance and kinetics study Google Scholar 👨‍🔬 ADP Putera, E Sugiarto, S Sutijan, IW Warmada, HTBM Petrus 📚 Materials Science Forum 901, 182-189, 2017	2017
126	Kinetic Modelling of the Pyrolysis of Biomass for the Development of Charcoal Briquette Google Scholar 👨‍🔬 YR Idris, HT Bayu, J Wintoko, B Murachman, AT Yuliansyah, S Purwono 📚 IOP Conference Series Materials Science and Engineering 206, 2016	2016
127	Study on biomass performance in reduction of nickel laterite from Pomalaa, Sulawesi Tenggara Google Scholar 👨‍🔬 MHA Rasyid, AR R, ADP P, HTBM Petrus 📚 AIP Conference Proceedings 1755 (1), 050007, 2016	2016
128	A fluorescence nanosensor based on modified sustainable silica for highly sensitive detection of the SARS-CoV-2 IgG antibody Google Scholar 👨‍🔬 F Apriyani, SR Sari, HTBM Petrus, M Angelina, RV Manurung, ... 📚 Nanoscale 17 (9), 5438-5446, 2025	2025
129	Geological characterization of rare earth elements in Aceh’s igneous rocks: A step toward sustainable mining Google Scholar 👨‍🔬 N Aida, S Nur, N Ahmad, VS Hadi Sujoto, HTB Murti Petrus, MB Mia 📚 International Journal of Design and Nature and Ecodynamics 20, 315-325, 2025	2025
130	Polyethyleneimine-assisted polydopamine co-deposition for fabricating loose reverse osmosis membranes with enhanced antifouling and selectivity for lithium extraction from … Google Scholar 👨‍🔬 PCBW Mustika, R Sudarmanto, HH Irawan, AH Qiu, PD Sutrisna, ... 📚 Journal of Water Process Engineering 77, 108458, 2025	2025
131	Recycling of electric arc furnace dust waste as a precursor in pharmaceutical grade zinc oxide synthesis Google Scholar 👨‍🔬 DS Rahayu, Y Kusumastuti, W Astuti, SNA Jenie, HTBM Petrus 📚 Circular Economy and Sustainability 4 (1), 489-501, 2024	2024
132	Maleic anhydride esterified potato starch as the binder in silicon nanoparticles anode for lithium-ion batteries Google Scholar 👨‍🔬 HTBM Petrus, A Daulay, W Astuti, YI Supriyatna, A Kurniawan, ... 📚 International Journal of Biological Macromolecules 281, 136407, 2024	2024
133	Pengaruh penambahan fly ash PLTU Cirebon dan temperatur pengeringan terhadap kuat tekan material konstruksi beton high volume fly ash (HFVA) Google Scholar 👨‍🔬 F Anggara, VSH Sujoto, I Tangkas, W Astuti, S Sumardi, ISR Putra, ... 📚 Jurnal Rekayasa Proses 17 (2), 172-178, 2023	2023
134	A Comparison Study of Nickel Laterite Reduction using Coal and Coconut Shell Charcoal: A FactSage Simulation Google Scholar 👨‍🔬 ADP Putera, IW Warmada, DH Amijaya, W Astuti, IG Sukadana, ... 📚 International Journal of Technology 14 (2), 267-275, 2023	2023
135	Ilmenite sand direct leaching kinetics in hydrochloric acid solution Google Scholar 👨‍🔬 VMP Anggraeni, YI Supriyatna, W Astuti, S Sumardi, A Prasetya, ... 📚 Journal of Sustainable Metallurgy 9 (4), 1578-1588, 2023	2023
136	Bioremediation of Mercury-Polluted Water in Free Water Surface-Constructed Wetland System by Euglena sp. and Echinodorus palifolius (Nees & Mart.) JF Macbr. Google Scholar 👨‍🔬 DU Siswanti, BS Daryono, HTB Murti Petrus, EA Suyono 📚 Journal of Tropical Biodiversity & Biotechnology 8 (3), 2023	2023
137	Effect of Surfactant Type on Synthesis and Characteristics of Nanonickel Hydroxide Google Scholar 👨‍🔬 KC Wanta, S Lim, RF Susanti, GP Gemilar, W Astuti, HTBM Petrus 📚 Jurnal Rekayasa Proses 15 (2), 217-230, 2021	2021
138	Effect of operating conditions on the flux recovery of lithium from geothermal brine using forward osmosis Google Scholar 👨‍🔬 PCBW Mustika, S Sutijan, HTBM Petrus 📚 AIP Conference Proceedings 2349 (1), 020056, 2021	2021
139	Nickel recovery from precipitate of NCA lithium-ion battery leach liquor by using disodium ethylene diamine tetraacetate Google Scholar 👨‍🔬 AUN Izzati, H Petrus, A Prasetya 📚 IOP Conference Series: Earth and Environmental Science 882 (1), 012002, 2021	2021
140	Bioleaching of Valuable Metals from Spent Catalyst Using Metabolic Citiric Acid by Aspergillus niger Google Scholar 👨‍🔬 HTBM Petrus, H Manurung, RJ Aditya, R Amanda, W Astuti 📚 Applied Mechanics and Materials 898, 23-28, 2020	2020
141	PELINDIAN ZIRKONIUM DARI TAILING MAGNETIK PASIR ZIRKON HASIL ROASTING MENGGUNAKAN NAOH Google Scholar 👨‍🔬 I Trisnawati, Petrus, Himawan Tri Bayu Murti 📚 Metalurgi 35 (3), 83-88, 2020	2020
142	The kinetic study of limonitic low grade nickel ore leaching using hydrochloric acid Google Scholar 👨‍🔬 H Gustiana, IM Bendiyasa, A Prasetya, FR Mufakhir, W Astuti, H Petrus 📚 IOP Conference Series: Materials Science and Engineering 478 (1), 012009, 2019	2019
143	Study on Sumbawa gold ore liberation using rod mill: effect of rod-number and rotational speed on particle size distribution Google Scholar 👨‍🔬 A Prasetya, A Mawadati, AMR Putri, H Petrus 📚 IOP Conference Series: Materials Science and Engineering 285 (1), 012024, 2018	2018
144	Reduksi limbah palm kernel meal dan kompos tandan kosong kelapa sawit menggunakan larva Hermetia Illucens Google Scholar 👨‍🔬 LH Wicaksono, HTB Petrus, AT Yuliansah 📚 Simposium Nasional RAPI 16, 91-96, 2017	2017
145	The Potential of Hermetia illucens Larvae as Reducer of Industrial Fish Processing Waste Google Scholar 👨‍🔬 AR Hakim, A Prasetya, HTBM Petrus 📚 Jurnal Perikanan Universitas Gadjah Mada 19 (1), 39-44, 2017	2017
146	Kinetics study of carbon raiser on the reduction of nickel laterite from Pomalaa, Southeast Sulawesi Google Scholar 👨‍🔬 H Petrus, AR Rhamdani, ADP Putera, IW Warmada, AT Yuliansyad, ... 📚 IOP Conference Series: Materials Science and Engineering 162 (1), 012019, 2016	2016
147	Characterization of nickel laterite reduction from Pomalaa, Sulawesi Tenggara Google Scholar 👨‍🔬 AR Rhamdani, HTBM Petrus, M Fahrurrozi 📚 AIP Conference Proceedings 1699 (1), 050012, 2015	2015
148	Enhancement of compressive strength in geopolymers: a study on fly ash characteristics and solid activation using dry method Google Scholar 👨‍🔬 O Ulandari, VSH Sujoto, W Astuti, F Anggara, HTBM Petrus, A Prasetya 📚 Journal of Material Cycles and Waste Management 27 (4), 2303-2320, 2025	2025
149	Graphene Oxide with Neodymium Oxide Composite Using Sonochemical Method as Electrode Material for Supercapacitor: Daulay, Astuti, Saptoro, Anggara, Suyantara, and Petrus Google Scholar 👨‍🔬 A Daulay, W Astuti, A Saptoro, F Anggara, GPW Suyantara, HTBM Petrus 📚 JOM 77 (10), 7449-7460, 2025	2025
150	Atmospheric Leaching Behavior and Kinetics of Nickel and Cobalt from Halmahera Limonite Ore Google Scholar 👨‍🔬 W Astuti, D Avista, P Prihutami, KC Wanta, A Prakosa, F Anggara, ...	2024
151	Mercury removal by Aquarius palifolius (Nees & Mart.) Christenh. & Byng: Isotherms model, superoxide dismutase activity, and chlorophyll content Google Scholar 👨‍🔬 DU Siswanti, D Ayuningtyas, SN Nugraheni, T Nurhanifah, HTBM Petrus, ... 📚 Watershed Ecology and the Environment 6, 227-233, 2024	2024
152	Leaching characteristics of cerium and yttrium from non-magnetic coal fly ash after silicate digestion using acetic acid Google Scholar 👨‍🔬 H Manurung, IM Bendiayasa, F Anggara, KC Wanta, W Astuti, H Petrus 📚 Journal of the Southern African Institute of Mining and Metallurgy 124 (10 …, 2024	2024
153	Drying of Merbau (Intsia bijuga) Sawdust Extract: Effect of Temperature on the Quality of Natural Dye Product Google Scholar 👨‍🔬 A Mindaryani, VSH Sujoto, SCM Silalahi, HTBM Petrus, E Rahayuningsih 📚 Indonesian Journal of Chemistry, 2023	2023
154	Removal of Sulphate and Heavy Metals from Acid Mine Drainage using Permeable Reactive Barrier Technique Google Scholar 👨‍🔬 R Anungstri, HTBM Petrus, A Prasetya 📚 IOP Conference Series: Earth and Environmental Science 1065 (1), 012059, 2022	2022
155	Conjugation of E.coli antibody with fluorescent natural silica-based nanoparticles: Preparation and characterization Google Scholar 👨‍🔬 DA Widyasari, D Julyansyah, A Kristiani, BA Widyaningrum, HTBM Petrus, ... 📚 AIP Conference Proceedings 2382 (1), 030009, 2021	2021
156	Utilization of silica from indonesian solid wastes as catalyst materials Google Scholar 👨‍🔬 F Kurniawansyah, AD Istiqomah, AJ Malahayati, HTBM Petrus, ... 📚 Key Engineering Materials 849, 72-77, 2020	2020
157	Kinetics on Biomass Conversion of Terminalia Catappa L. Shell through Isothermal Pyrolysis Google Scholar 👨‍🔬 Yuniarti, B Murachman, S Purwono, HTBM Petrus 📚 engineering journal 24 (4), 49-62, 2020	2020
158	Effect of inlet speed on gravitational air separator for cenospheres accumulation from fly ash: modeling using computational fluid dynamics (CFD) Google Scholar 👨‍🔬 Sutijan, SW Sandiwan, KI Saputra, MH Mahdi, MS Albarkan, A Prasetya, ... 📚 IOP Conference Series: Materials Science and Engineering 478 (1), 012028, 2019	2019
159	Pengaruh Waktu dan Konsentrasi NaOH pada Proses Delignifikasi Wheat Bran Google Scholar 👨‍🔬 DS Wulansari, S Supranto 📚 Jurnal Rekayasa Proses 10 (2), 48-54, 2016	2016
160	Mineralogical characterization of Indonesian rare earth elements from secondary resource (zircon tailings) Google Scholar 👨‍🔬 G Prameswara, I Trisnawati, P Mulyono, A Prasetya, HTBM Petrus 📚 Transition Metal Chemistry 50 (1), 43-49, 2025	2025
161	Buton asphalt: prospect and strategy for asphalt import substitution in Indonesia Google Scholar 👨‍🔬 A Miswanto, S Rochani, U Dani, H Haryadi, I Suherman, T Suseno, ... 📚 Mineral Economics 38 (1), 119-130, 2025	2025
162	Exploring the feasibility of nanocomposites from solid waste materials for acid mine drainage remediation: A comprehensive scientific review Google Scholar 👨‍🔬 YG Wibowo, H Safitri, D Anwar, A Rohman, AT Maryani, S Sudibyo, ... 📚 Total Environment Engineering 2, 100005, 2025	2025
163	Multistage refining of silicon using CaO–SiO2–Al2O3 and CaO–SiO2–MgO slags Google Scholar 👨‍🔬 ADP Putera, KL Avarmaa, H Petrus, J Chen, GA Brooks, MA Rhamdhani 📚 Journal of Sustainable Metallurgy 11 (2), 895-907, 2025	2025
164	Controlled Particle Size Distribution in Ultrasound-Assisted Lithium Carbonate Precipitation Google Scholar 👨‍🔬 DR Aprilianto, I Perdana, IE Aluicius, F Adi-Kusumo, Rochmadi, ... 📚 ACS omega 10 (29), 32226-32245, 2025	2025
165	High-yield synthesis of silica nanoparticles from geothermal sludge via a facile co-precipitation method: Statistical optimization and kinetic analysis Google Scholar 👨‍🔬 HTBM Petrus, A Andriani, VSH Sujoto, M Inggrini, M Syauqi, W Astuti, ... 📚 Particuology, 2025	2025
166	Biochar-layered double hydroxide vs biochar-layered double oxide: a critical review on their applications in water pollution control Google Scholar 👨‍🔬 YG Wibowo, D Anwar, H Safitri, A Rohman, A Rinovian, BS Ramadan, ... 📚 Water-Energy Nexus 8, 205-228, 2025	2025
167	Enhanced Recovery of Nickel and Cobalt from Limonitic Laterite Ore: Optimization and Kinetics of Atmospheric Sulfuric Acid Leaching Google Scholar 👨‍🔬 A Prasetya, ADP Putera, VSH Sujoto, MH Zaidan, MT Abdurrahman, ... 📚 Journal of Sustainable Metallurgy 11 (4), 4127-4140, 2025	2025
168	Selective separation of nickel and cobalt from NCA-type lithium-ion battery precipitates using disodium EDTA Google Scholar 👨‍🔬 AUN Izzati, VSH Sujoto, W Astuti, YI Supriyatna, I Perdana, HTBM Petrus, ... 📚 Separation and Purification Technology 376, 134101, 2025	2025
169	Kinetics and Thermodynamics Study of Ammonia Leaching on Spent LMR-NMC Battery Cathodes Google Scholar 👨‍🔬 I Perdana, MI Rahman, DR Aprilianto, HTBM Petrus, DH Kinanti 📚 Indonesian Journal of Chemistry 24 (3), 876-892, 2024	2024
170	Electrically-Enhanced Boron and Phosphorus Removal from Silicon by CaO–SiO2–Al2O3/–MgO Slag Treatment Google Scholar 👨‍🔬 ADP Putera, K Avarmaa, M Humbert, HTBM Petrus, G Brooks, ... 📚 TMS Annual Meeting & Exhibition, 1459-1471, 2024	2024
171	Antibacterial activity of copper nanoparticles (CuNPs) by chemical reduction method Google Scholar 👨‍🔬 R Wulandari, Y Kusumastuti, A Prasetya, YA Purwestri, HTBM Petrus, ... 📚 AIP Conference Proceedings 3073 (1), 040001, 2024	2024
172	Development of Geothermal Sludge Derived-Silica Catalyst for Sago Starch Hydrolysis Google Scholar 👨‍🔬 OKA Ariq, WN Bunga, EM Idzati, F Kurniawansyah, H Ni'mah, ... 📚 Engineering Headway 6, 37-41, 2024	2024
173	Effect of pH neutral on the separation of nickel and cobalt from laterite leaching solution using cyanex 272 Google Scholar 👨‍🔬 APT Yuda, H Petrus, W Astuti 📚 IOP Conference Series: Earth and Environmental Science 1388 (1), 012027, 2024	2024
174	Kajian techno-economy produk etilen dari etanol berbasis pertumbuhan dan prakiraan pasar di Indonesia Google Scholar 👨‍🔬 H Haryadi, W Astuti, CE Suryanaga, HTBM Petrus 📚 Jurnal Rekayasa Proses 17 (2), 191-205, 2023	2023
175	Optimization of lithium separation from NCA leachate solution: Investigating the impact of feed concentration, pressure, and complexing agent concentration Google Scholar 👨‍🔬 PCBW Mustika, EC Suryanaga, I Perdana, S Sutijan, W Astuti, ... 📚 ASEAN Journal of Chemical Engineering 23 (3), 343-359, 2023	2023
176	The Study of Methylene Blue Loading into Chitosan-graft-Maleic Sponges Google Scholar 👨‍🔬 D Timotius, Y Kusumastuti, R Omar, R Harun, SMM Kamal, SNA Jenie, ... 📚 International Journal of Technology, 2022	2022
177	Pengaruh Karakteristik Bijih pada Ekstraksi Nikel dari Bijih Limonit Indonesia Menggunakan Pelindian Atmosferik (The Effect of Ore Characteristics on Nickel Extraction from … Google Scholar 👨‍🔬 W Astuti, FR Mufakhir, F Nurjaman, S Sumardi, U Herlina, F Bahfie, ... 📚 Metal Indonesia 43 (1), 9-16, 2021	2021
178	Densification process of Merbau (Intsia bijuga) and Matoa (Pometia pinnata JR Forster & JG Forster) Sawdust Waste for Biomass Based Solid Fuel Source in West Papua Indonesia … Google Scholar 👨‍🔬 A Prasetya, H Siagian, FA Setiawan, HTBM Petrus, ME ST, D Eng 📚 Jurnal Rekayasa Proses 15 (1), 116-130, 2021	2021
179	Production of biochar from bitter melon seeds waste by pyrolysis method Google Scholar 👨‍🔬 P Khumairoh, HTBM Petrus, CW Purnomo 📚 IOP Conference Series: Earth and Environmental Science 830 (1), 012019, 2021	2021
180	Effect of power plant operating conditions on fly ash and bottom ash composition: a case study from power plant in Lampung Google Scholar 👨‍🔬 DAA Besari, F Anggara, H Petrus, W Astuti, WA Husnah 📚 IOP Conference Series: Earth and Environmental Science 851 (1), 012039, 2021	2021
181	DISTRIBUSI HAFNIUM PADA MODEL KESETIMBANGAN CAIR–CAIR EKSTRAKSI PEMISAHAN ZIRKONIUM DAN HAFNIUM Google Scholar 👨‍🔬 D Husnurrofiq 📚 Prosiding Seminar Nasional Riset dan Teknologi Terapan (Ritektra), D2-D2, 2021	2021
182	Study of nickel extraction process from spent catalysts with hydrochloric acid solution: effect of temperature and kinetics study Google Scholar 👨‍🔬 ICN Simanungkalit, EP Bahri, RF Susanti, GP Gemilar, W Astuti, ... 📚 International Journal of Applied Sciences and Smart Technologies 3 (2), 161-170, 2021	2021
183	Valuable Metals Precipitation of Low Grade Nickel Ore Leachate Using Sodium Hydroxide Google Scholar 👨‍🔬 Surianti, AN Utami, MA Permatasari, IM Bendiyasa, W Astuti, H Petrus 📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012043, 2020	2020
184	Cenosphere Separation from Fly Ash Using Modified Gravity Separator: Feed Ratio Assessment and Stream Velocity Optimization Google Scholar 👨‍🔬 FYA Saputra, Sutijan, H Petrus 📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012006, 2020	2020
185	Amorphous Silicate Decomposition from Non-Magnetic Coal Fly Ash using Sodium Hydroxide Google Scholar 👨‍🔬 H Manurung, W Rosita, H Petrus, IM Bendiyasa 📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012041, 2020	2020
186	Gold Leaching from Printed Circuit Boards (PCBs) as one of the Urban Mine Resources using Thiosulphate: Optimization using Response Surface Methodology (RSM) Google Scholar 👨‍🔬 HTBM Petrus, AE Putra, HSA Gustiana, A Prasetya, IM Bendiyasa, ... 📚 IOP Conference Series: Materials Science and Engineering 778, 2020	2020
187	Microfacies and Depositional Environment of Senakin Coal, Tanjung Formation, South Borneo, Indonesia Google Scholar 👨‍🔬 F Anggara, AN Fadhillah, AA Patria, DH Amijaya, HTBM Petrus 📚 Conference of the Arabian Journal of Geosciences, 163-166, 2020	2020
188	Synthesis of dry-mix of fly ash based geopolymer Google Scholar 👨‍🔬 R Fatikhin, RB Cahyono, HTBM Petrus, I Perdana 📚 AIP Conference Proceedings 2085 (1), 020050, 2019	2019
189	Kinetika leaching platinum dari spent katalis menggunakan aqua regia Google Scholar 👨‍🔬 WF Istiqomah, PS Prasojo, A Prasetya, HTBM Petrus 📚 Prosiding Seminar Nasional Energi & Teknologi (Sinergi), 93-100, 2019	2019
190	Mineralogy and Geochemistry of Gold Ore Low Sulfidation-Epithermal at Lamuntet, Brang Rea, West Sumbawa District, West Nusa Tenggara Province Google Scholar 👨‍🔬 R Ernawati, A Idrus, HTBM Petrus 📚 Journal of Geoscience, Engineering, Environment, and Technology 4 (3), 198-207, 2019	2019
191	Study on Sumbawa gold recovery using centrifuge Google Scholar 👨‍🔬 AD Ferdana, H Petrus, IM Bendiyasa, ID Prijambada, F Hamada, ... 📚 IOP Conference Series: Materials Science and Engineering 285 (1), 012027, 2018	2018
192	Solid-State Synthesized Titanium-Based Lithium Ion Sieve Stabilized by Crab Shell Chitosan for Durable and Efficient Lithium Recovery Google Scholar 👨‍🔬 H Sujoto, V Sutresno, SN Aisyiyah Jenie, F Anggara, M Petrus, HT Bayu 📚 JOM 78 (2), 1200-1215, 2026	2026
193	Revalidation of Growth Kinetics Model of Black Soldier Fly Larvae (Hermetia illucens) with Fish Industrial Waste Substrate and Its Utilization Google Scholar 👨‍🔬 A Prasetya, FA Setiawan, AR Hakim, SK Wirawan, HTBM Petrus 📚 Waste and Biomass Valorization 16 (1), 413-421, 2025	2025
194	Facile Synthesis and Characterization of Magnetite Mesoporous Silica Nanoparticles from Local Iron Sand Google Scholar 👨‍🔬 M Kurniasari, HTBM Petrus, SNA Jenie, Y Kusumastuti 📚 International Journal of Technology 16 (2), 448-457, 2025	2025
195	Characterization and Genomic Profiling of Potential Fe-Reducing Bacteria Isolated from Red Mud for Bioremediation Google Scholar 👨‍🔬 A SUBKHAN, AF Mahmudah, S Shintawati, W Astuti, M Nuhamunada, ... 📚 Journal of Ecological Engineering, 2025	2025
196	Valorization of solid residue from the lateritic nickel ore leaching process for ferronickel production Google Scholar 👨‍🔬 F Nurjaman, D Adhalia, Y Sari, W Astuti, S Sumardi, T Haryono, ... 📚 Waste and Biomass Valorization 16 (3), 1511-1520, 2025	2025
197	Characterization and upgrading of Zircon sand from central Kalimantan placer gold mine tailings for Zirconia production Google Scholar 👨‍🔬 Y Dahlan, H Kurnio, N Saleh, I Suherman, F Nurjaman, G Prameswara, ... 📚 Mining, Metallurgy & Exploration 42 (2), 1025-1038, 2025	2025
198	Utilization of Geothermal Solid Waste to Improve the Properties of Acrylic Acid-Based Hydrogels: A Study on Swelling Behavior and Kinetics Google Scholar 👨‍🔬 A Pamungkas, MD Solikhah, FT Pratiwi, R Romelan, SNA Jenie, ... 📚 Polymer, 128802, 2025	2025
199	Enhancing lithium concentration performance from synthetic geothermal brine through electro-nanofiltration method Google Scholar 👨‍🔬 DPA Sudarmaja, CE Suryanaga, VSH Sujoto, SNA Jenie, W Astuti, ... 📚 Chemical Engineering Journal 516, 164134, 2025	2025
200	Functionalized Carbon-Based Materials vs. Bentonite Intercalation: A Comparative Review Using the PRISMA Method Google Scholar 👨‍🔬 YG Wibowo, D Anwar, H Safitri, S Priyanto, AT Yuliansyah, HTBM Petrus, ... 📚 Total Environment Engineering, 100033, 2025	2025
201	INDONESIAN JOURNAL ON GEOSCIENCE Google Scholar 👨‍🔬 JM Supit, A Idrus, HTBM Petrus, IG Sukadana, F Pratiwi 📚 Indonesian Journal on Geoscience Vol 12 (2), 175-197, 2025	2025
202	An economic analysis of a novel potassium humate (K-Humate) production process from low rank coal: Incorporating carbon capture and heat integration process Google Scholar 👨‍🔬 D Timotius, A Kurniawan, A Istiani, CE Suryanaga, A Fahrialam, ... 📚 Journal of Cleaner Production 522, 146316, 2025	2025
203	Kinetic modeling of humic acid production from oxidized South Sumatera lignite toward green and sustainable synthesis Google Scholar 👨‍🔬 Y Kusumastuti, DT Hartanto, WB Sediawan, A Prasetya, HTMB Petrus, ... 📚 Egyptian Journal of Chemistry 68 (13), 2025	2025
204	Oxalic Acid-assisted Sol–gel Synthesis of High-purity Amorphous Silica from Geothermal Waste Google Scholar 👨‍🔬 DC Birawidha, A Manaf, W Astuti, A Daulay, HTBM Petrus, NA Ningrum, ... 📚 Periodica Polytechnica Chemical Engineering 69 (4), 662-672, 2025	2025
205	Studi Optimasi Komposisi Red Mud dan Asam Sitrat untuk Phytomining Google Scholar 👨‍🔬 GL Hakim, A Prasetya, P Mulyono, HTBM Petrus 📚 Envirotek: Jurnal Ilmiah Teknik Lingkungan 16 (2), 2024	2024
206	Preliminary Study on the Modification of Quantum Dots/Geothermal Silica Nanocomposites with Breast Cancer Antibody (MUC-1) Google Scholar 👨‍🔬 AE Airyn, F Apriyani, HTBM Petrus, M Angelina, A Kristiani, FI Pambudi, ... 📚 Journal of Physics: Conference Series 2705 (1), 012014, 2024	2024
207	Facile synthesis of magnetic-fluorescent iron oxide-geothermal silica core/shell nanocomposites via modified sol–gel method Google Scholar 👨‍🔬 FA Elmaria, F Aulia, LN Hidayati, A Kristiani, Sudiyarmanto, ... 📚 Journal of Sol-Gel Science and Technology 110 (1), 27-36, 2024	2024
208	Bimetallic Ni-Fe Supported by Gadolinium Doped Ceria (GDC) Catalyst for CO2 Methanation Google Scholar 👨‍🔬 A Kristiani, K Takeishi, SNA Jenie, HTBM Petrus 📚 Bulletin of Chemical Reaction Engineering & Catalysis 19 (1), 99-107, 2024	2024
209	Sol-gel synthesis of zirconia-based nanoparticles from the side product of tin mining Google Scholar 👨‍🔬 A Kristiani, Wiyono, A Prasetiyo, HTBM Petrus, SNA Jenie, AA Dwiatmoko, ... 📚 E3S Web of Conferences 543, 02013, 2024	2024
210	Utilization of Spent Catalyst as a Raw Material for Rechargeable Battery Production: Effect of time, type, and concentration of organic acids Google Scholar 👨‍🔬 TKMA Panggabean, RF Susanti, W Astuti, HTBM Petrus, AP Kristijarti, ... 📚 International Journal of Renewable Energy Development, 2023	2023
211	Separation Performance of Lithium and Calcium from Synthetic Geothermal Brine Using Electric Field-assisted Membrane Google Scholar 👨‍🔬 DPA Sudarmaja, VSH Sujoto, CE Suryanaga, H Petrus, Sutijan, W Astuti 📚 IOP Conference Series: Earth and Environmental Science 1275 (1), 012011, 2023	2023
212	Heavy metals removal in liquid waste from spent-batteries recycling Google Scholar 👨‍🔬 FR Mufakhir, IA Yuliamsa, A Juniarsih, W Astuti, S Sumardi, AS Handoko, ... 📚 IOP Conference Series: Earth and Environmental Science 1017 (1), 012004, 2022	2022
213	Antibacterial effectiveness of synthesized copper nanoparticles by ultrasonication assisted method Google Scholar 👨‍🔬 AF Mahmudah, Y Kusumastuti, HTBM Petrus, YA Purwestri 📚 7th International Conference on Biological Science (ICBS 2021), 471-481, 2022	2022
214	Tunable particle size synthesis of nanoclay from Sidoarjo geothermal mud via ultrasonic method Google Scholar 👨‍🔬 PZ Silvia, SNA Jenie, HTBM Petrus 📚 AIP Conference Proceedings 2708 (1), 040001, 2022	2022
215	Optimization of lithium extraction from mud using surface response methodology Google Scholar 👨‍🔬 A Maulidia, W Astuti, HTBM Petrus 📚 AIP Conference Proceedings 2708 (1), 070005, 2022	2022
216	The potency of rare earth elements and yttrium in Konawe coal ashes, Indonesia Google Scholar 👨‍🔬 M Farqhi, D Anisa Ayu Besari, F Anggara, H Tri Bayu Murti Petrus 📚 IOP Conference Series: Earth and Environmental Science 882 (1), 012037, 2021	2021
217	Effect of Particle Size and Shaking Speed on Enhancing Concentration of Manganese using Shaking Table Google Scholar 👨‍🔬 A Prasetya, WM Ahsa, HSEA Gustiana, W Astuti, HTBM Petrus 📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012027, 2020	2020
218	Optimasi Presipitasi Logam Tanah Jarang dari Campuran Konsentrat Logam Tanah Jarang dengan Metode” Response Surface Methodology” Google Scholar 👨‍🔬 A Yulandra, I Trisnawati, IM Bendiyasa, HTBM Petrus 📚 METAL INDONESIA Учредители: Balai Besar Logam dan Mesin 42 (1), 28, 2020	2020
219	Manganese Recovery from Hydrocracking Spent Catalyst Using Citric Acid and Its Kinetics Google Scholar 👨‍🔬 HTBM Petrus, DP Sari, AT Yuliansyah, FR Mufakhir, W Astuti, Y Iskandar, ... 📚 INSIST 4 (2), 226-230, 2020	2020
220	Pengambilan lantanum dan nikel dari katalis bekas menggunakan asam sitrat: peninjauan performa secara kuantitatif menggunakan response surface method (lantanum and nickel … Google Scholar 👨‍🔬 HTBM Petrus, A Wijaya, Y Iskandar, D Bratakusuma, H Setiawan, W Astuti 📚 Jurnal Metalurgi 33 (2), 91-100, 2018	2018
221	Mineralogi dan Geokimia Endapan Emas Epitermal di Paningkaban, Kabupaten Banyumas, Jawa Tengah Google Scholar 👨‍🔬 R Ernawati 📚 ReTII, 2017	2017
222	UV-Vis spectrophotometry and AFM observation of diethyl dithiophosphate adsorption on chalcopyrite at varied pHs Google Scholar 👨‍🔬 H Petrus, T Hirajima, K Sasaki, H Okamoto 📚 Journal of Chemistry and Chemical Engineering 5 (11), 1006-1013, 2011	2011
223	Development and optimisation of titanium-based lithium-ion sieves through solid-state synthesis for high-efficiency Brine lithium recovery Google Scholar 👨‍🔬 VSH Sujoto, A Prasetya, Sutijan, W Astuti, SNA Jenie, F Anggara, ... 📚 Transition Metal Chemistry 51 (1), 4, 2026	2026
224	Towards sustainable scandium extraction: atmospheric sulfuric acid leaching of Indonesian lateritic nickel ore Google Scholar 👨‍🔬 M Fahrurrozi, VSH Sujoto, F Bagusantara, I Iryawan, E Petricia, W Astuti, ... 📚 Transition Metal Chemistry 51 (1), 1-18, 2026	2026
225	Nickel recovery from nickel-containing spent catalyst using atmospheric leaching and oxalate precipitation Google Scholar 👨‍🔬 W Astuti, MD Yuniati, APT Yuda, S Sumardi, JS Dewi, KC Wanta, ... 📚 Jurnal Rekayasa Proses, 2025	2025
226	Pengaruh kalsinasi terhadap karakteristik mesoporous nanosilica (MSN) dari sludge geothermal dan performanya dalam sistem drug loading kurkumin Google Scholar 👨‍🔬 AM Angelia, P Ramadhany, AP Kristijarti, W Astuti, HTBM Petrus, ... 📚 Jurnal Rekayasa Proses, 2025	2025
227	Titanium Dioxide Production from Low-Grade Ilmenite Ore: Mineral Characterization and Optimization Google Scholar 👨‍🔬 YI Supriyatna, W Astuti, S Sumardi, A Prasetya, LI Ginting, W Wahab, ... 📚 Archives of Metallurgy and Materials, 77-86-77-86, 2025	2025
228	Next Materials Google Scholar 👨‍🔬 YG Wibowo, D Anwar, H Safitri, I Surya, S Sudibyo, AT Yuliansyah, ...	2025
229	Extraction of gadolinium and neodymium from tayan red mud Google Scholar 👨‍🔬 C Simbolon, P Mulyono, S Sutijan, HTBM Petrus, W Astuti, E Handini 📚 BIS Energy and Engineering 2, V225012-V225012, 2025	2025
230	Atmospheric acid leaching of limonite laterite ores using nitric acid Google Scholar 👨‍🔬 YTPP Nasution, S Sutijan, P Mulyono, HTBM Petrus, W Astuti, S Sumardi 📚 AIP Conference Proceedings 3295 (1), 030006, 2025	2025
231	A comprehensive review of potential utilization of novel flame-resistant hydrogel composites using alginate-cellulose-LDH Zn/Al-carbon nanotubes for water removal from biofuel Google Scholar 👨‍🔬 MD Solikhah, YG Wibowo, D Anwar, A Andriani, A Pamungkas, FT Pratiwi, ... 📚 Inorganic Chemistry Communications 180, 114986, 2025	2025
232	Kinetic study of molybdenum extraction from spent catalysts using citric acid Google Scholar 👨‍🔬 AS Rezki, W Astuti, IM Bendiyasa, KC Wanta, G Prameswara, ... 📚 Transition Metal Chemistry 50 (6), 1101-1108, 2025	2025
233	Separation of nickel and cobalt from nitrate leaching solutions of laterite ore by solvent extraction using trihexyltetradecylphosphonium bis (2, 4, 4-trimethyl pentyl) phosphinate Google Scholar 👨‍🔬 APT Yuda, D Avista, W Astuti, HTBM Petrus 📚 E3S Web of Conferences 503, 06007, 2024	2024
234	Characteristics and performance of cerium extraction from cerium hydroxide concentrate using Tri butyl phosphate Google Scholar 👨‍🔬 S Suyanti, ND Pusporini, WA Adi, H PETRUS 📚 Int J Technol 15, 1308, 2024	2024
235	Pengaruh parameter operasi terhadap persentase rekoveri litium dari sea water reverse osmosis (SWRO) Google Scholar 👨‍🔬 F Anggara, VSH Sujoto, W Astuti, S Sumardi, ISR Putra, AD Putra, ... 📚 Jurnal Rekayasa Proses, 2023	2023
236	Kinetika Proses Ekstraksi Katalis Bekas Ni/γ–Al2O3 dengan Pelarut Asam Sulfat: Model Shrinking Core dan Model Lump Google Scholar 👨‍🔬 EP Bahri, ICN Simanungkalit, RF Susanti, GP Gemilar, W Astuti, ... 📚 JST (Jurnal Sains dan Teknologi) 12 (3), 739-747, 2023	2023
237	Kinetics study of low-grade ilmenite fusion process using sodium hydroxide: Non-isothermal condition with model-free methods Google Scholar 👨‍🔬 YI Supriyatna, W Astuti, S Sumardi, A Prasetya, HTBM Petrus, EN Dida 📚 Materials Today: Proceedings, 2023	2023
238	Studi Recovery Tembaga pada Proses Froth Flotation dari Bijih Tembaga Papua, Indonesia dengan Variasi pH dan Konsentrasi Kolektor Google Scholar 👨‍🔬 I Heimbach, HTBM Petrus, A Prasetya, A Idrus, D Timotius, Y Kusumastuti, ... 📚 Seminar Nasional Teknik Kimia" Kejuangan", G8. 1-G8. 4, 2023	2023
239	Lithium Extraction from Geothermal Brine Using Electrodialysis Method Google Scholar 👨‍🔬 AD Jati, VSH Sujoto, Sutijan, H Petrus, P Mulyono 📚 IOP Conference Series: Earth and Environmental Science 1233 (1), 012018, 2023	2023
240	Precipitation of Rare Earth Element from Indonesian Coal Fly Ash Using Sodium Sulfate Google Scholar 👨‍🔬 ID Tajayani, S Sutijan, S Sarto, HTBM Petrus, W Astuti 📚 Materials Science Forum 1093, 105-112, 2023	2023
241	The effect of TEOS precursor and CTAB addition in the synthesis of magnetic mesoporous silica nanoparticles for drug delivery Google Scholar 👨‍🔬 ED Oktaviani, HTBM Petrus, Y Kusumastuti 📚 AIP Conference Proceedings 2623 (1), 020018, 2023	2023
242	Efek pre-roasting terhadap parameter kinetika leaching Cr dari limonit Google Scholar 👨‍🔬 G Prameswara, AN Ulfah, CP Supriadi, I Trisnawati, HTBM Petrus 📚 REACTOR: Journal of Research on Chemistry and Engineering 4 (2), 39-46, 2023	2023
243	Corrigendum to Green geopolymer cement with dry activator from geothermal sludge and sodium hydroxide [J. Clean. Prod., vol. 293, 15 April 2021, 126143] Google Scholar 👨‍🔬 HTBM Petrus, FI Fairuz, N Sa'dan, M Olvianas, W Astuti, SNA Jenie, ... 📚 Journal of Cleaner Production 344, 131034, 2022	2022
244	Gold Adsorption from Pregnant Thiocyanate Solution Using Activated Carbon Google Scholar 👨‍🔬 S Oediyani, T Triana, F Viviyana, FR Mufakhir, W Astuti, S Sumardi, ... 📚 Materials Science Forum 1057, 98-106, 2022	2022
245	Effect of Fly Ash (FA) Characteristic on Geopolymer Product Quality Google Scholar 👨‍🔬 SC Wijayanti, F Anggara, HTBM Petrus 📚 international conference on Mediterranean Geosciences Union, 95-98, 2022	2022
246	Preparation of Fluorescent Nanoparticles Based on Natural Silica for Bioimaging Google Scholar 👨‍🔬 SNA Jenie, SH Fransiska, Y Kusumastuti, HTBM Petrus, A Kristiani	2021
247	Preliminary Study of WebGIS Implementation on Monitoring and Evaluation of the Regional Action Plan for Reduction and Elimination of Mercury Use (RAD-PPM) Google Scholar 👨‍🔬 EK Perbawati, TH Purwanto, HTBM Petrus, WY Santoso 📚 Proceeding ISETH (International Summit on Science, Technology, and Humanity …, 2021	2021
248	Synthesis of solid activator for geopolymer product from fly ash and sodium hydroxide Google Scholar 👨‍🔬 O Ulandari, W Astuti, S Sumardi, A Prasetya, HTBM Petrus 📚 AIP Conference Proceedings 2338 (1), 040006, 2021	2021
249	Desain Taguchi untuk Optimasi Pengambilan Logam Tanah Jarang dari Tailing Pasir Zirkon Menggunakan Metode Presipitasi Asam Oksalat: Pengaruh pH dan Suhu Taguchi Design for … Google Scholar 👨‍🔬 I Trisnawati, BA Winmoko, H Poernomo, IM Bendiyasa, HT Murti, B Petrus, ... 📚 PROSIDING Seminar Geologi Nuklir dan Sumber Daya Tambang, 2019	2019
250	Turbine Generator efficiency analysis in Geothermal Power Plant PT Geodipa Energi Unit Dieng Google Scholar 👨‍🔬 AH Qurrahman, W Wilopo, HT Bayu 📚 Conference SENATIK STT Adisutjipto Yogyakarta 5, 247-254, 2019	2019
251	Geopolymerization Kinetics of Fly Ash using Isoconversional Kinetics Google Scholar 👨‍🔬 AS Adelizar, HTBM Petrus, M Olvianas, A Widiyatmoko 📚 Proceedings Book, 2018	2018
252	Characterization and acid leaching of spent hydroprocessing catalyst for valuable metal recovery Google Scholar 👨‍🔬 MP Dewi, N Okibe, H Petrus 📚 14th International Symposium on East Asian Resources Recycling Technology …, 2017	2017
253	Simultaneous Hydrolysis and Fermentation of Sweet Sorghum Varieties (FS501 and KCS105) into Bioethanol Using Saccharomyces steineri – A Kinetics Study Google Scholar 👨‍🔬 H Sudibyo, J Jasman, HTBM Petrus, A Prasetya, D Widianto, C Hidayat, ... 📚 Engineering Journal 21 (7), 105-121, 2017	2017
254	Nickel Laterite Reduction Using Bioreductor from Coconut Shell Charcoal: An Approach to Create Zero Carbon Cycle in Nickel Pig Iron (NPI) Production Google Scholar 👨‍🔬 E Sugiarto, H Ilhami, ADP Putera, H Petrus 📚 International Engineering Student Paper Contest, Universitas Indonesia, Jakarta, 2016	2016
255	Potential Source Of Rare Earth Elements (Ree) From Sangatta Coal, Kutai Basin, Indonesia Google Scholar 👨‍🔬 F Anggara, HTBM Petrus 📚 The Society for Organic Petrology (TSOP), 2015	2015
256	Seleksi Bakteri untuk Bioleaching Litium dari Baterai Ion Litium Bekas Google Scholar 👨‍🔬 M Hartono, DP Sari, HTBM Petrus, H Sulistyo, W Budhijanto	2015
257	The Influence Of Calcination On Property And Performance Of Mesoporous Silica From Geothermal Sludge As A Drug Delivery System Google Scholar 👨‍🔬 P Ramadhany, MT Thamrin, AP Kristijarti, RF Susanti, HTBM Petrus, ... 📚 Journal of Applied Science and Engineering 29 (5), 1211-1222, 2026	2026
258	Towards targeted Escherichia coli fluorescence biosensor using quantum dots decorated geothermal silica nanoparticles Google Scholar 👨‍🔬 SR Sari, DA Widyasari, F Aulia, A Kristiani, HTBM Petrus, RT Dewi, ... 📚 Journal of Materials Chemistry B, 2026	2026
259	EFFECTS OF CITRIC ACID-ASSISTED PH ADJUSTMENT ON THE PURITY AND MORPHOLOGY OF SILICA NANOPARTICLES SYNTHESIZED FROM GEOTHERMAL SLAG. Google Scholar 👨‍🔬 DC Birawidha, A Manaf, W Astuti, A Daulay, HTB Petrus, U Dani, ... 📚 Rasayan Journal of Chemistry 19 (1), 525, 2026	2026
260	Increasing humic acid recovery by H2O2 oxidation of subbituminous coal from Sumatera, Indonesia Google Scholar 👨‍🔬 D Jaya, A Istian, D Timotius, M Puspitasari, D Probowati, Y Kusumastuti, ... 📚 AIP Conference Proceedings 3337 (1), 040060, 2026	2026
261	Kinetics of Laterite Ore Reduction Using Low-Rank Coal and Palm Oil Empty Fruit Bunch (EFB) Biochar Google Scholar 👨‍🔬 M Fahrurrozi, HTBM Petrus, AR Anjani, M Khikmah, G Prameswara, ... 📚 JOM, 1-13, 2026	2026
262	Studi Kinetika Kristalisasi Nikel Sulfat Heksahidrat Dari MHP Baterai NMC dengan Metode Evaporative Crystallization Google Scholar 👨‍🔬 DH Kinanti, I Perdana, HTBM Petrus 📚 SINERGI 1 (1), 407-412, 2026	2026
263	Synthesis and structural characterization of iron oxide nanoparticles: Effect of precipitating agents Google Scholar 👨‍🔬 F Aulia, FA Elmaria, A Kristiani, Sudiyarmanto, SNA Jenie, HTBM Petrus 📚 AIP Conference Proceedings 3380 (1), 080003, 2026	2026
264	The ZVI formation by indigenous bacteria from red mud Google Scholar 👨‍🔬 Shintawati, W Astuti, A Subkhan, YA Purwestri, HTBM Petrus 📚 AIP Conference Proceedings 3380 (1), 030001, 2026	2026
265	Iron bio reduction by indigenous bacteria from red mud Google Scholar 👨‍🔬 Shintawati, W Astuti, A Subkhan, YA Purwestri, HTBM Petrus 📚 AIP Conference Proceedings 3380 (1), 030002, 2026	2026
266	Study comparative extraction of gallium from red mud using alkali fusion-water leaching and acid leaching Google Scholar 👨‍🔬 JS Dewi, W Astuti, E Handini, F Anggara, HTBM Petrus 📚 AIP Conference Proceedings 3380 (1), 020007, 2026	2026
267	Extraction of scandium from red mud Indonesian obtained alkali fusion-acid leaching Google Scholar 👨‍🔬 JS Dewi, W Astuti, E Handini, F Anggara, HTBM Petrus 📚 AIP Conference Proceedings 3380 (1), 020006, 2026	2026
268	Surfactant-Enhanced Leaching of Gallium from Red Mud Waste: Toward a Sustainable and Economically Viable Extraction Process: Dewi, Sujoto, Astuti, Handini, Anggara, Mulyono … Google Scholar 👨‍🔬 JS Dewi, VSH Sujoto, W Astuti, E Handini, F Anggara, P Mulyono, ... 📚 JOM, 1-15, 2026	2026
269	Performance of SBA-15 catalysts derived from geothermal sludge in sorbitol Hydrodeoxygenation Google Scholar 👨‍🔬 FT Pratiwi, P Mumtaz, K Amri, HTBM Petrus, MD Solikhah 📚 Materials Letters, 140419, 2026	2026
270	Bioreduction of Red Mud with Two Stages (Bacteriology-Phytoreduction) to Synthesize" Bio-Derived Iron-Based Nanoparticle (BDINP)" Google Scholar 👨‍🔬 Shintawati, HTBM Petrus, A Subkhan, YA Purwestri, W Astuti 📚 Waste and Biomass Valorization, 1-20, 2026	2026
271	Organic petrological and geochemical controls on critical element distribution in peat influenced by rhyolitic basement rocks from the Sebangau Peatland, Central Kalimantan: An … Google Scholar 👨‍🔬 F Anggara, S Dai, TA Moore, AI Muhammad, OM Moroeng, J Liu, ... 📚 International Journal of Coal Geology, 104992, 2026	2026
272	Surfactant-driven atmospheric leaching of cobalt from limonitic lateritic ore: CTAB effects and kinetic modeling Google Scholar 👨‍🔬 YTPP Nasution, VSH Sujoto, P Mulyono, W Astuti, SNA Jenie, F Anggara, ... 📚 Sustainable Chemistry for Climate Action, 100201, 2026	2026
273	Kinetic modeling of humic acid extraction from oxidized low-rank coal Google Scholar 👨‍🔬 D Timotius, A Istiani, A Fahrialam, HM Arifin, AR Ramadhanty, ... 📚 AIP Conference Proceedings 3374 (1), 030015, 2026	2026
274	Valorization of spent alkaline battery for the development of carbon dots-decorated ZnO as photocatalyst and supercapacitor material Google Scholar 👨‍🔬 CS Yudha, HSEA Gustiana, NA Winard, AP Sulistyowati, M Arinawati, ... 📚 Next Materials 11, 101792, 2026	2026
275	Sustainable Synthesis of Amorphous Silica from Geothermal Slag Using Citric Acid and Microwave Irradiation Google Scholar 👨‍🔬 DC Birawidha, A Manaf, W Astuti, A Daulay, A Miswanto, HTBM Petrus, ... 📚 Circular Economy and Sustainability 6 (2), 148, 2026	2026
276	Recent Progress on Rare Earth Element Extraction from Ion-Adsorption Clay Deposit: A Systematic Literature Review Google Scholar 👨‍🔬 CS Yudha, W Astuti, F Anggara, T Purwanti, J Rachmadetin, IG Sukadana, ... 📚 Circular Economy and Sustainability 6 (2), 194, 2026	2026
277	Strategic assessment of lithium iron phosphate in the global energy transition: Supply chain dynamics and future competitiveness Google Scholar 👨‍🔬 A Miswanto, N Rahmah, NA Masruroh, G Prameswara, HTBM Petrus 📚 Mineral Economics, 1-20, 2026	2026
278	Direct electrochemical reduction of red mud to metallic iron in alkaline media with process performance and preliminary techno-economic assessment Google Scholar 👨‍🔬 FMH Siagian, VSH Sujoto, MSA Pradipta, P Mulyono, F Anggara, W Astuti, ... 📚 Chemical Papers, 1-15, 2026	2026
279	Sustainable synthesis and optimization of geothermal silica reinforced sodium carboxymethylcellulose (CMCNa)-based hydrogels with enhanced swelling performance Google Scholar 👨‍🔬 AG Arisanti, VSH Sujoto, FT Pratiwi, RD Mayasari, AP Pamungkas, ...	2026
280	Hydrometallurgical Recovery and Complexation of Zn and Mn from Spent Batteries for Micronutrient Fertilizer Development: Leaching Optimization and Characterization Google Scholar 👨‍🔬 CS Yudha, M Arinawati, K Hamidah, A Purwanto, HTBM Petrus 📚 JOM 78 (5), 4246-4261, 2026	2026
281	Utilizing the Potential of Solid Waste (Fly Ash and Bottom Ash) from Sumatera's Coal Power Plants for Innovative Geopolymer Concrete Google Scholar 👨‍🔬 F Anggara, VSH Sujoto, H Manurung, DAA Besari, W Al Hasunah, ... 📚 Periodica Polytechnica Chemical Engineering, 2026	2026
282	Selective reduction process of limonite nickel ore using coal and oil palm empty fruit bunch Google Scholar 👨‍🔬 MDS Wicaksono, F Anggara, DH Amijaya, HTBM Petrus, W Astuti, ... 📚 AIP Conference Proceedings 3336 (1), 160001, 2026	2026
283	Separation of Yttrium and Cerium Elements in REE Concentrate from Processed Xenotime Sand Using Cyanex 572 Google Scholar 👨‍🔬 RA Amiliana, P Mulyono, T Handini, WR Pusparini, E Handini, ... 📚 Journal of Solution Chemistry, 1-16, 2026	2026
284	Comprehensive Kinetic, Thermodynamic, and Response Surface Analysis of Selective Neodymium Leaching from Slag–Residue Bauxite Using Sulfuric Acid Google Scholar 👨‍🔬 JS Dewi, E Handini, F Anggara, N Saleh, R Wijayanti, TS Fatimah, ... 📚 Journal of Sustainable Metallurgy 12 (3), 2641-2657, 2026	2026
285	Effect of ore characteristics on the extraction recovery of gold in the Carbon in Leach (CIL): geometallurgical approach on gold processing Google Scholar 👨‍🔬 NA Raharjanti, FA Setiawan, KT Basuki, M Setyadji, F Rofiek, ... 📚 Transition Metal Chemistry 51 (3), 37, 2026	2026
286	Prioritization of risks associated with mining permit restrictions in Indonesia’s new capital region: analytic hierarcy process and fuzzy-analytic hierarcy process approach Google Scholar 👨‍🔬 A Miswanto, U Dani, DC Birawidha, K Isnugroho, R Sutriadi, MI Yudanto, ... 📚 Asia-Pacific Journal of Regional Science 10 (2), 27, 2026	2026
287	Corrigendum to “Exploring the feasibility of nanocomposites from solid waste materials for acid mine drainage remediation: A comprehensive scientific review”[Total Environment … Google Scholar 👨‍🔬 YG Wibowo, H Safitri, D Anwar, A Rohman, AT Maryani, S Sudibyo, ... 📚 Total Environment Engineering 7, 100081, 2026	2026
288	Dual-function valorisation of low-grade fly ash via zeolitization for environmental remediation and concrete enhancement Google Scholar 👨‍🔬 JJ Ekaputri, AD Budiman, NN Prawira, RG Sutikno, FA Ahmad, ... 📚 Green Technologies and Sustainability, 100426, 2026	2026
289	Oxalic acid-assisted sol-gel engineered NiO/CaO-ZrO2 dual-functional materials for high-capacity CO2 capture and complete methanation Google Scholar 👨‍🔬 A Kristiani, MH Al Ghifari, N Rinaldi, KC Sembiring, RAK Putri, SNA Jenie, ... 📚 Next Materials 12, 102203, 2026	2026
290	Thermal reduction of graphene oxide in ambient atmosphere for enhanced electrochemical performance on the electrode in a supercapacitor Google Scholar 👨‍🔬 MH Amrulloh, A Daulay, W Astuti, FR Mufakhir, S Sumardi, LH Samada, ... 📚 Next Materials 12, 102290, 2026	2026
291	From Source to Crystallization: REE Distribution in Southeast Asian Tin Belt Magmas Google Scholar 👨‍🔬 E Handini, YB Prasetyo, T Ubide, IW Warmada, ND Barber, YR Freski, ... 📚 Goldschmidt 2026 Conference, 2026	2026
292	Optimization of precipitation of rare earth elements from zircon tailings using Ammonia estimated using response surface methodology (RSM) Google Scholar 👨‍🔬 I Trisnawati, G Prameswara, H Supriadi, P Mulyono, HTMB Petrus, ... 📚 Transition Metal Chemistry 51 (4), 53, 2026	2026
293	Application of Palm Solid Waste Ash as A Ceramic Glazing Material Google Scholar 👨‍🔬 CT Suprabanindya, HTBM Petrus, F Al Hazmi 📚 Jurnal Berkala Ilmiah Sains dan Terapan Kimia 19 (1), 10-24, 2025	2025
294	Synthesis of Lithium-Aluminum Layered Double Hydroxide Adsorbent from Aluminum Waste to Create a More Environmentally Friendly Process for Recovering Lithium in Brine Google Scholar 👨‍🔬 S Salafudin, A Prasetya, IW Warmada, HTBM Petrus 📚 Indonesian Journal of Chemistry, 2025	2025
295	Design of an RSM-optimized magnetic–fluorescent nanoprobe utilizing geothermal silica for enhanced bacterial sensing Google Scholar 👨‍🔬 FA Elmaria, F Aulia, SR Sari, AW Septama, Y Kusumastuti, HTBM Petrus, ... 📚 Nanoscale 17 (47), 27495-27505, 2025	2025
296	Selective Reduction of Nickel Limonite using Empty Fruit Bunch Char dan Low Rank Coal Char Google Scholar 👨‍🔬 IA Chusna, F Anggara, HTBM Petrus, YI Supriyatna 📚 The Society for Organic Petrology (TSOP), 2025	2025
297	Techno-Economic and Sustainable Evaluation on the Production of Potassium Humate from Low-Rank Coal Google Scholar 👨‍🔬 D Timotius, A Kurniawan, A Istiani, CE Suryanaga, A Fahrialam, ... 📚 The Society for Organic Petrology (TSOP), 2025	2025
298	Role of Lignite Physicochemical and Petrographic Characteristic in Humic Acid Yield Enhancement by Hydrogen Peroxide Pretreatment Google Scholar 👨‍🔬 A Istiani, D Timotius, AY Rahimah, Y Kusumastuti, F Anggara, ... 📚 The Society for Organic Petrology (TSOP), 2025	2025
299	The potential of imperata cylindrica for phytomining and soil remediation of red mud waste Google Scholar 👨‍🔬 GL Hakim, A Prasetya, P Mulyono, HTBM Petrus 📚 BIS Health and Environmental Science 2, V225007-V225007, 2025	2025
300	Enhanced swelling hydrogel of cellulose by adding fly ash Google Scholar 👨‍🔬 RT Wijayanti, HTBM Petrus, F Anggara, W Astuti, P Mulyono 📚 BIS Energy and Engineering 2, V225018-V225018, 2025	2025
301	Optimizing carbon bio-sequestration and biomass yield of setaria grass for net-zero goals in karst ecosystems Google Scholar 👨‍🔬 MDY Nasution, S Sarto, HTBM Petrus, A Prasetya 📚 BIS Energy and Engineering 2, V225051-V225051, 2025	2025
302	Bioleaching of manganese from spent lithium-ion batteries using a bacterial isolate indigenous to mining area in South Lampung Google Scholar 👨‍🔬 D Deviany, F Achmad, D Hardiana, FM Cannavaro, S Sitara, FR Mufakhir, ... 📚 AIP Conference Proceedings 3309 (1), 030003, 2025	2025
303	Sustainable Lithium Recovery Using Li/Al LDHs Synthesized from Aluminium Multi-Layer Plastic Waste: A Resource Upcycling Approach Google Scholar 👨‍🔬 Salafudin, A Prasetya, IW Warmada, H Tri, HTBM Petrus 📚 Circular Economy and Sustainability, 1-32, 2025	2025
304	Nickel and Scandium-Bearing Minerals Associated with Limonitic Laterite Zone of the Lameruru Deposit in Southeast Sulawesi, Indonesia. Google Scholar 👨‍🔬 JM SLPIT, A Idrus, HTBM Petrus, I SUKADANA, F Pratiwi 📚 Indonesian Journal on Geoscience 12 (2), 2025	2025
305	Waste minimization in the poultry industry through Black Soldier Fly larvae cultivation to improve the bio-conversion Google Scholar 👨‍🔬 A Prasetya, MA Prabowo, TD Hanifah, AI Adyaksa, CW Purnomo, ...	2025
306	Synthesis of nickel manganese cobalt precursor from spent catalyst and manganese ore using solid-state method for lithium-ion battery cathode Google Scholar 👨‍🔬 W Astuti, HB Sitohang, L Nulhakim, A Daulay, T Handini, M Setyadji, ... 📚 Mineral Processing and Extractive Metallurgy 134 (3), 167-177, 2025	2025
307	Fe Removal Strategy from Morowali Laterite Pregnant Leach Solution: Optimization and Kinetic Study Google Scholar 👨‍🔬 G Prameswara, Y Bow, HSEA Gustiana, FYP Tyassena, W Yudhistira, ... 📚 Transactions of the Indian Institute of Metals 78 (9), 226, 2025	2025
308	Synthesis and Characterization of Silica‐Doped Oil Palm Empty Fruit Bunch‐Derived Activated Carbon With Immersion Time Variation for High‐Performance Battery Anodes Google Scholar 👨‍🔬 Y Triana, MB Adiputra, WDW Pratama, F Robiandi, AI Ismail, W Astuti, ... 📚 ChemistrySelect 10 (36), e04302, 2025	2025
309	Leaching Co(II), Mo(VI), and Al(III) Ions from Spent Catalyst Co-Mo/γ-Al2O3 using Organic Acid. Google Scholar 👨‍🔬 CA Amaranggani, RF Susanti, AP Kristijarti, W Astuti, HTBM Petrus, ... 📚 ASEAN Journal of Chemical Engineering 25 (3), 2025	2025
310	Controlled Electrochemical Synthesis of High-Purity Stannous Sulphate (SnSO4) Microparticles via Nafion 115-Assisted Membrane Separation Google Scholar 👨‍🔬 A Andriani, W Astuti, A Prasetya, WE Kosimaningrum, H Prasetia, ... 📚 Sustainable Chemistry for Climate Action, 100112, 2025	2025
311	Preparation and Application of Silica Catalyst from Geothermal Sludge for Sago Starch Hydrolysis Google Scholar 👨‍🔬 F Kurniawansyah, EM Idzati, H Ni’mah, M Mahfud, SNA Jenie, A Saptoro, ... 📚 Waste and Biomass Valorization, 1-12, 2025	2025
312	The Utilization of Pyrolyzed Palm Oil Bunch for Limonitic Laterite Ore Reduction Followed by Magnetic Separation Google Scholar 👨‍🔬 MDS Wicaksono, VSH Sujoto, ADP Putera, F Anggara, W Astuti, ... 📚 Journal of Sustainable Metallurgy 11 (4), 4557-4574, 2025	2025
313	Bacteria isolation as a bioremediation agent of mercury contamination from ASGM soil waste Google Scholar 👨‍🔬 N Oktavia, H Prasetia, W Astuti, FR Mufakhir, S Sumardi, Y Kusumastuti, ... 📚 IOP Conference Series: Earth and Environmental Science 1571 (1), 012011, 2025	2025
314	Synthesis of nanoclay from Sidoarjo mud volcano by sonication method: particle breakage kinetics and mechanism Google Scholar 👨‍🔬 PZ Silvia, F Aulia, A Kristiani, SNA Jenie, F Anggara, JJ Ekaputri, ... 📚 Chemical Papers, 1-14, 2025	2025
315	Separation of cerium from rare earth elements hydroxide using dilute nitric acid and potassium permanganate Google Scholar 👨‍🔬 Suyanti, A Daulay, W Astuti, KS Widana, HTBM Petrus, WA Adi 📚 Canadian Metallurgical Quarterly, 1-8, 2025	2025
316	Enhanced modified Magnetite Bentonite-CaO/FeCl3 from solid waste for highly efficient Methylene blue removal Google Scholar 👨‍🔬 TBM Petrus, SB Kurniawan, BS Ramadan, AT Maryani, H Syarifuddin 📚 Global NEST Journal 26 (4), 2025	2025
317	Pengaruh Konsentrasi Larutan Natrium Silikat Hasil Pengolahan Limbah Coal Fly Ash dan Laju Alir Gas CO2 untuk Proses Carbon Capture Google Scholar 👨‍🔬 WR La Tansa Pramesti Dewi, HTBM Petrus	2024
318	Low-Grade Ilmenite Leaching Kinetics Using Hydrochloric Acid: RSM and SCM Approaches Google Scholar 👨‍🔬 HTBM Petrus, YI Supriyatna, A Prasetya, W Astuti, S Sumardi, P Natalia, ... 📚 Indonesian Journal of Chemistry, 2024	2024
319	Electrocoagulation in Wastewater from Spent-Batteries Recycling Google Scholar 👨‍🔬 FR Mufakhir, C Khotimah, S Oediyani, W Astuti, S Sumardi, H Prasetia, ... 📚 Indonesian Journal of Chemistry, 2024	2024
320	Pengaruh Konsentrasi NaBH4 dan Penambahan Surfaktan Sodium Dodecyl Sulfate (SDS) dalam Sintesis Nanopartikel Perak sebagai Material Antibakteri Google Scholar 👨‍🔬 AB Cuaca, RF Susanti, AP Kristijarti, W Astuti, HTBM Petrus, KC Wanta 📚 Jurnal Rekayasa Proses 18 (1), 65–73-65–73, 2024	2024
321	Electrolised oxidised water using rainwater synthesis as an environmentally friendly disinfectant Google Scholar 👨‍🔬 A Maryono, D Timotius, M Sulaiman, AP Nugroho, HW Sartika, ... 📚 International Journal of Hydrology Science and Technology 18 (4), 445-458, 2024	2024
322	The Effect Of Time, Frother And Collector Concentration On The Purification Of Ruwai Galena Ore Via Agitated Froth Flotation: A Comparative Study With Column Flotation Google Scholar 👨‍🔬 KC Wanta, AW Prijadi, HTBM Petrus, A Idrus, I Trisnawati, A Saptoro, ... 📚 Journal of Applied Science and Engineering 28 (7), 1571-1580, 2024	2024
323	2034 Leaching Characteristic of Cerium and Yttrium from Non-magnetic Solid Waste Coal Fly Ash after Silicate Digestion using Acetic Acid Google Scholar 👨‍🔬 H Manurung, IM Bendiyasa, F Anggara, KC Wanta, W Astuti, HTBM Petrus 📚 Journal of the Southern African Institute of Mining and Metallurgy 124 (10), 2024	2024
324	One Part Method for Making Geopolymer Paste using Flocculated Sidoarjo Mud Google Scholar 👨‍🔬 T Syihabuddin, JJ Ekaputri, MA Maulana, RAA Soemitro, HTBM Petrus, ... 📚 Archives of Metallurgy and Materials 69 (4), 1401-1406, 2024	2024
325	Optimization of banten ilmenite leaching using hydrochloric acid Google Scholar 👨‍🔬 VMP Anggraeni, CW Purnomo, HBTM Petrus 📚 AIP Conference Proceedings 3073 (1), 060002, 2024	2024
326	Ruwai Galena Ore Purification Through Column Flotation Process Google Scholar 👨‍🔬 AW Prijadi, KC Wanta, HTBM Petrus, A Idrus, RF Susanti 📚 Transactions of the Indian Institute of Metals 77 (8), 2063-2071, 2024	2024
327	Concentrating and Rejecting Lithium Ion Using Forward and Reverse Electro-nanofiltration Google Scholar 👨‍🔬 NAB Hanifan, I Perdana, HTBM Petrus, A Prasetya, YI Supriyatna 📚 ASEAN Journal of Process Control 3 (1), 1-6, 2024	2024
328	Utilization Of Spent Catalyst Ni/γ-Al_2O_3 In Nickel Oxalate Synthesis: Effect Of pH Google Scholar 👨‍🔬 KC Wanta, ILB Yuwono, RF Susanti, W Astuti, HTBM Petrus 📚 淡江理工學刊 27 (11), 3445-3454, 2024	2024
329	Effect of pH on lithium extraction from geothermal brine using nanofiltration membrane Google Scholar 👨‍🔬 S Sutinah, HTBM Petrus, M Fahrurrozi 📚 AIP Conference Proceedings 3213 (1), 020002, 2024	2024
330	Recent advances in acid mine drainage treatment through hybrid technology: Comprehensive review of scientific literature Google Scholar 👨‍🔬 Y Gusti Wibowo, H Safitri, K Khairurrijal, T Taher, L Ode Arham, A Jasipto, ... 📚 Environmental Nanotechnology, Monitoring and Management 21, 100945, 2024	2024
331	Pengaruh Kondisi Operasi Proses Pemekatan Litium Dari Geothermal Brine Sintetis Dengan Metode Direct Contact Membrane Distillation (DCMD) Google Scholar 👨‍🔬 DBG Utomo, VSH Sujoto, W Astuti, FR Mufakhir, APC Tampubolon, ... 📚 Jurnal Rekayasa Proses, 2023	2023
332	Sintesis Copper-Nanoparticles dari Limbah Leaching Kalkopirit Sebagai Zat Antibakteri dengan Metode Reduksi Google Scholar 👨‍🔬 DP Wibowo, Y Kusumastuti, A Prasetya, Y Asih, HTBM Petrus, A Idrus 📚 Seminar Nasional Teknik Kimia" Kejuangan", H2. 1-H2. 4, 2023	2023
333	The Effect of Sonication Time for Synthesis of Magnetic Mesoporous Nanosilica using Cetyltrimethylammonium Bromide (CTAB) as Surfactant-Template Google Scholar 👨‍🔬 M Kurniasari, HTBM Petrus, Y Kusumastuti 📚 Materials Science Forum 1093, 63-68, 2023	2023
334	Precipitation of Rare Earth Elements from Indonesian Coal Fly Ash Using Sodium Sulfate Google Scholar 👨‍🔬 HTBM Petrus, W Astuti 📚 Symposium of Life Sciences, Materials, and Applied Chemistry, 151, 2023	2023
335	Development of Small-Scale Charcoal Briquettes and Natural Dyes Production Units to Implement Zero-Waste System through Utilizing Mangrove Forests Google Scholar 👨‍🔬 DT Adriyanti, A Mindaryani, A Prasetya, HTBM Petrus, VSH Sujoto, ... 📚 AIJR Proceedings, 120-127, 2023	2023
336	Dissolution of Rare Earth Elements Concentrate from Xenotime Sand with Strong Acids Google Scholar 👨‍🔬 HTBM Petrus 📚 Symposium of Life Sciences, Materials, and Applied Chemistry, 165, 2023	2023
337	Modelling of Nano Silica Formation from Geothermal Silica Using Co-Precipitation Method Google Scholar 👨‍🔬 HTBM Petrus, VSH Sujoto, P Mulyono 📚 Symposium of Life Sciences, Materials, and Applied Chemistry, 239, 2023	2023
338	Green geopolymer cement with dry activator from geothermal sludge and sodium hydroxide (vol 15, 126143, 2021) Google Scholar 👨‍🔬 HTBM Petrus, FI Fairuz, N Sa'dan, M Olvianas, W Astuti, SN Jenie, ... 📚 JOURNAL OF CLEANER PRODUCTION 344, 2022	2022
339	Characteristics and Potential Concentration of Cenospheres in Fly Ash from Tanjung Jati B Combustion Power Plant, Jepara, Central Java, Indonesia Google Scholar 👨‍🔬 RD Ulhaq, F Anggara, HTBM Petrus 📚 international conference on Mediterranean Geosciences Union, 99-102, 2022	2022
340	Prarancangan Pabrik Nano Silika dari Silika Geothermal dengan Kapasitas 3.000 Ton/Tahun Google Scholar 👨‍🔬 DM ADYTHIA 📚 Universitas Gadjah Mada, 2021	2021
341	Pengaruh Kondisi Operasi Proses Pemekatan Geothermal Brine menggunakan Forward Osmosis (FO) dengan Larutan Natrium Klorida Sebagai Draw Solution Google Scholar 👨‍🔬 PRACB WM 📚 Universitas Gadjah Mada, 2021	2021
342	Ore characterization of LSE gold deposit in “X” Pit, Toka Tindung Project, North Sulawesi Google Scholar 👨‍🔬 NA Raharjanti, IW Warmada, H Petrus 📚 IOP Conference Series: Earth and Environmental Science 851 (1), 012043, 2021	2021
343	Optimization of removal impurities from Fe element in concentrate rare earth elements sulfate coal of fly ash with Response Surface Methodology (RSM) Google Scholar 👨‍🔬 R Istinanda, HTBM Petrus, A Prasetya 📚 AIP Conference Proceedings 2338 (1), 030005, 2021	2021
344	The Composition of Fly Ash and Bottom Ash (FABA) from Indonesian Coal Power Plant: A Case Study from Batam Google Scholar 👨‍🔬 I Iqbal, F Anggara, HTBM Petrus 📚 international conference on Mediterranean Geosciences Union, 149-153, 2021	2021
345	Characteristics of Coal Fly Ash and Bottom Ash-based Geopolymers in Unfavorable Environment Google Scholar 👨‍🔬 HTBM Petrus, BR Sadewo, HM Prabu, SF Hunarko, F Anggara 📚 Jurnal Teknik Kimia Indonesia 19 (2), 52-61, 2020	2020
346	Effect of Temperature and pH on Lanthanum Precipitation from Spent Catalysts Using Oxalic Acid Google Scholar 👨‍🔬 FK Sari, HTBM Petrus, W Astuti 📚 The 13th AUN/SEED-Net Regional Conference on Chemical Engineering 2020 …, 2020	2020
347	Pembuatan Glukosa dan Sukrosa dari Rumput Laut dengan Metode Hidrolisa Menggunakan Katalis SiO2 Google Scholar 👨‍🔬 FP Devi, DN Riyadi, F Kurniawansyah, HTBM Petrus, W Astuti, ... 📚 Prosiding Seminar Nasional Sains dan Teknologi Terapan 1 (1), 487-492, 2020	2020
348	Optimization Model on the Effect of Clove Oil, Formaldehyde, and Chitosan Added to Batik Fabric Colored with Gambier (Uncaria gambir Roxb): Antifungal Properties and Stability … Google Scholar 👨‍🔬 YI Ayuningtyas, HB Petrus	2020
349	Simulation of Cement Mill to Predict and Mitigate the Over-Heat Phenomenon: an Approach to Optimize the Energy Consumption in Cement Industry Google Scholar 👨‍🔬 HTBM Petrus, J Kristanto, KC Wanta, A Prasetya 📚 International Series on Interdisciplinary Science and Technology 4 (2), 221-225, 2019	2019
350	Prarancangan Pabrik Lithium Karbonat dari Limbah Baterai dengan Kapasitas 17.900 ton/tahun Google Scholar 👨‍🔬 RA PATANGKE, HTBM Petrus, D Eng 📚 Universitas Gadjah Mada, 2019	2019
351	Comparative Characterization of Chitosan/Gelatin/Geothermal Silica Biocomposites in Two-Dimensional Film and Three-Dimensional Scaffold Forms Google Scholar 👨‍🔬 Y Kusumastuti, F Larasati, DR Gunawan, M Najmina, NRE Putri, H Petrus, ... 📚 IOP Conference Series: Materials Science and Engineering 543 (1), 012028, 2019	2019
352	Pengaruh Suhu dan pH pada Presipitasi Elemen Berharga dari Larutan Leaching Low Grade Nikel Laterit Ore dengan menggunakan Pengendap Kalsium Karbonat Google Scholar 👨‍🔬 S Surianti, MA Permatasari, AN Utami, IM Bendiyasa, I Perdana, ... 📚 Seminar Nasional Teknik Kimia" Kejuangan", A3-A3, 2019	2019
353	The composition and mode of occurence of rare earth elements and yttrium in fly and bottom ash from coal-fired power plants in Java, Indonesia Google Scholar 👨‍🔬 F Anggara, DAA Bestari, W Rosita, HTBM Petrus 📚 The Society for Organic Petrology (TSOP), 2018	2018
354	Enrichment of Rare-Earth Elements and Yttrium in Kalimantan Coal Ash Google Scholar 👨‍🔬 F Anggara, SAW Kevin, B Rahmat, SSR Susilawati, DH Amijaya, ...	2018
355	BENEFISIASI PUPUK UREA DAN ZEOLIT MENJADI PUPUK GRANUL SLOW RELEASE Google Scholar 👨‍🔬 MP Bimantio, HTBM Petrus, D Eng	2017
356	Au Grade of Epithermal Gold Ore at Paningkaban ASGM, Banyumas District, Central Java Province, Indonesia Google Scholar 👨‍🔬 R Ernawati, A Idrus, H Petrus 📚 UNEJ e-Proceeding, 184-187, 2016	2016
357	Effect of oxidized surface of tennantite and chalcopyrite on Diethyl Dithiophosphate (DTP) adsorption and the kinetics; observed using UV-Vis Spectroscopy Google Scholar 👨‍🔬 H Petrus, T Hirajima, K Sasaki, H Okamoto 📚 CHEMECA (2015: Melbourne, Vic.), 1866-1872, 2015	2015
358	SI DOEL (Donat Tiwoel): Inovasi Pengenalan Dan Pengembangan Tiwul Sebagai Makanan Pokok Khas YOGYAKARTA Google Scholar 👨‍🔬 HTBM Petrus, M Kusumaningrum, RB Zaqina, N Fardani, A Priyawan, ... 📚 Prosiding Elektronik Pekan Ilmiah Mahasiswa Nasional Program Kreativitas …, 2014	2014
359	Performance of dry separation processes in cenospheres recovery from coal fly ash Google Scholar 👨‍🔬 H Petrus, T Hirajima, Y Oosako, M Nonaka, K Sasaki, T Ando 📚 25th International Mineral Processing Congress 2010, IMPC 2010, 3863-3871, 2010	2010
360	湿式選別法を用いた石炭燃焼灰からの中空球形粒子の回収 Google Scholar 👨‍🔬 平島剛，大迫雄司，野中壯泰，笹木圭子，安藤隆 📚 Journal of MMIJ 124 (12), 878-884, 2008	2008
361	Rhodamine Extraction from Sawdust Waste of Switenia Mahagoni and Shorea sp. and Extraction Design Parameters Determination Google Scholar 👨‍🔬 E Rahayuningsih, H Petrus, L Lastiningsih, S Pertiwi 📚 Chemeca, 2007	2007
362	Extraction of Bixin Natural Dye from bixa orellana I. Google Scholar 👨‍🔬 E Rahayuningsih, H Petrus, DD Permana, H Setyono 📚 Departemen Teknik Kimia FT UGM, 2007	2007
363	Enzymatic cleaning of PES ultrafiltration membrane fouled by single and binary protein mixtures Google Scholar 👨‍🔬 HTBM Petrus 📚 UNSW Sydney, 2006	2006
364	Prarancangan Pabrik Logam Tanah Jarang dari Abu Pembakaran Batubara dengan Kapasitas 125 ton/tahun Google Scholar 👨‍🔬 LZ Chusaini, HTBM Petrus, D Eng
365	Kinetics Study of Yttrium Leaching from Zircon Tailings Using Sulfuric Acid Harry Supriadi1, Iga Trisnawati2, Tri Handini1, Sri Rinanti Susilowati1 Google Scholar 👨‍🔬 VSH Sujoto, P Mulyono, HTBM Petrus
366	Prarancangan Pabrik Titanium Hidrat dari Ilmenit dengan Kapasitas Produksi 65.000 Ton/Tahun Google Scholar 👨‍🔬 MAJI WIBOWO, HTBM Petrus, D Eng
367	Study on separation of tennantite from arseno copper ore using flotation Google Scholar 👨‍🔬 HTBM Petrus 📚 (No Title), 0

1

Recovery of cenospheres from coal fly ash using a dry separation process: Separation estimation and potential application

Google Scholar

👨‍🔬 T Hirajima, H Petrus, Y Oosako, M Nonaka, K Sasaki, T Ando

📚 International Journal of Mineral Processing 95 (1-4), 18-24, 2010

2010

2

Studi laju umpan pada proses biokonversi limbah pengolahan tuna menggunakan larva Hermetia illucens

Google Scholar

👨‍🔬 AR Hakim, A Prasetya, HTBM Petrus

📚 Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan 12 (2), 179-192, 2017

2017

3

Enzymatic cleaning of ultrafiltration membranes fouled by protein mixture solutions

Google Scholar

👨‍🔬 HB Petrus, H Li, V Chen, N Norazman

📚 Journal of Membrane Science 325 (2), 783-792, 2008

2008

4

Performance of dry-separation processes in the recovery of cenospheres from fly ash and their implementation in a recovery unit

Google Scholar

👨‍🔬 H Petrus, T Hirajima, Y Oosako, M Nonaka, K Sasaki, T Ando

📚 International Journal of Mineral Processing 98 (1-2), 15-23, 2011

2011

5

Kinetics of silica precipitation in geothermal brine with seeds addition: minimizing silica scaling in a cold re-injection system

Google Scholar

👨‍🔬 FA Setiawan, E Rahayuningsih, HTBM Petrus, MI Nurpratama, I Perdana

📚 Geothermal Energy 7 (1), 22, 2019

2019

6

Reaction kinetics modeling for lithium and cobalt recovery from spent lithium-ion batteries using acetic acid

Google Scholar

👨‍🔬 H Setiawan, HTBM Petrus, I Perdana

📚 International Journal of Minerals, Metallurgy, and Materials 26 (1), 98-107, 2019

2019

7

A novel method: Nickel and cobalt extraction from citric acid leaching solution of nickel laterite ores using oxalate precipitation

Google Scholar

👨‍🔬 W Astuti, F Nurjaman, FR Mufakhir, S Sumardi, D Avista, KC Wanta, ...

📚 Minerals Engineering 191, 107982, 2023

2023

8

Characteristic of Hg removal using zeolite adsorption and Echinodorus palaefolius phytoremediation in subsurface flow constructed wetland (SSF-CW) model

Google Scholar

👨‍🔬 A Prasetya, P Prihutami, AD Warisaura, M Fahrurrozi, HTBM Petrus

📚 Journal of Environmental Chemical Engineering 8 (3), 103781, 2020

2020

9

Kinetics on roasting reduction of limonitic laterite ore using coconut-charcoal and anthracite reductants

Google Scholar

👨‍🔬 HTBM Petrus, ADP Putera, E Sugiarto, I Perdana, IW Warmada, ...

📚 Minerals Engineering 132, 126-133, 2019

2019

10

Preparation of silica nanoparticles from geothermal sludge via sol-gel method

Google Scholar

👨‍🔬 SNA Jenie, A Ghaisani, YP Ningrum, A Kristiani, F Aulia, HTMB Petrus

📚 AIP Conference Proceedings 2026 (1), 020008, 2018

2018

11

Lithium recovery of spent lithium-ion battery using bioleaching from local sources microorganism

Google Scholar

👨‍🔬 M Hartono, MA Astrayudha, H Petrus, W Budhijanto, H Sulistyo

📚 Rasayan J. Chem 10 (3), 897-903, 2017

2017

12

Study on rare earth elements leaching from magnetic coal fly ash by citric acid

Google Scholar

👨‍🔬 P Prihutami, A Prasetya, WB Sediawan, HTBM Petrus, F Anggara

📚 Journal of Sustainable Metallurgy 7 (3), 1241-1253, 2021

2021

13

Cleaning strategies for membrane fouled with protein mixtures

Google Scholar

👨‍🔬 V Chen, H Li, D Li, S Tan, HB Petrus

📚 Desalination 200 (1-3), 198-200, 2006

2006

14

Cenospheres characterization from Indonesian coal-fired power plant fly ash and their potential utilization

Google Scholar

👨‍🔬 HTBM Petrus, M Olvianas, W Suprapta, FA Setiawan, A Prasetya, ...

📚 Journal of Environmental Chemical Engineering 8 (5), 104116, 2020

2020

15

Sulfuric Acid Leaching of Heavy Rare Earth Elements (HREEs) from Indonesian Zircon Tailing

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👨‍🔬 I Trisnawati, G Prameswara, P Mulyono, A Prasetya, HTBM Petrus

📚 International Journal of Technology, 2020

2020

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Green geopolymer cement with dry activator from geothermal sludge and sodium hydroxide

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👨‍🔬 HTBM Petrus, FI Fairuz, N Sa’dan, M Olvianas, W Astuti, SNA Jenie, ...

📚 Journal of Cleaner Production 293, 126143, 2021

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Evaluation of shrinking core model in leaching process of Pomalaa nickel laterite using citric acid as leachant at atmospheric conditions

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👨‍🔬 KC Wanta, I Perdana, HTBM Petrus

📚 IOP conference series: materials science and engineering 162 (1), 012018, 2016

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Kinetic study in atmospheric pressure organic acid leaching: shrinking core model versus lump model

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👨‍🔬 KC Wanta, W Astuti, I Perdana, HTBM Petrus

📚 Minerals 10 (7), 613, 2020

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Characterization and mode of occurrence of rare earth elements and yttrium in fly and bottom ash from coal-fired power plants in Java, Indonesia

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👨‍🔬 DAA Besari, F Anggara, W Rosita, HTBM Petrus

📚 International Journal of Coal Science & Technology 9 (1), 20, 2022

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Recent advances in the adsorptive removal of heavy metals from acid mine drainage by conventional and novel materials: A review

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👨‍🔬 YG Wibowo, T Taher, K Khairurrijal, BS Ramadan, H Safitri, S Sudibyo, ...

📚 Bioresource Technology Reports 25, 101797, 2024

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Leaching Behaviour and Kinetic of Light and Heavy Rare Earth Elements (REE) from Zircon Tailings in Indonesia: Prameswara, Trisnawati, Mulyono, Prasetya, and Petrus

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👨‍🔬 G Prameswara, I Trisnawati, P Mulyono, A Prasetya, HTBM Petrus

📚 Jom 73 (4), 988-998, 2021

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Effects of sodium thiosulphate on chalcopyrite and tennantite: An insight for alternative separation technique

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👨‍🔬 HTBM Petrus, T Hirajima, K Sasaki, H Okamoto

📚 International Journal of Mineral Processing 102, 116-123, 2012

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Sequential alkaline-organic acid leaching process to enhance the recovery of rare earth elements from Indonesian coal fly ash

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📚 Journal of Rare Earths 42 (7), 1366-1374, 2024

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Synthesis of titanium ion sieves and its application for lithium recovery from artificial indonesian geothermal brine

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📚 Journal of Sustainable Metallurgy 9 (2), 613-624, 2023

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25

Effect of operating conditions on lithium recovery from synthetic geothermal brine using electrodialysis method

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👨‍🔬 VSH Sujoto, Sutijan, W Astuti, S Sumardi, ISY Louis, HTBM Petrus

📚 Journal of Sustainable Metallurgy 8 (1), 274-287, 2022

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26

Circular economy of coal fly ash and silica geothermal for green geopolymer: characteristic and kinetic study

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📚 Gels 8 (4), 233, 2022

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Tinjauan pustaka karakterisasi dan potensi pemanfaatan fly ash dan bottom ash (faba)

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👨‍🔬 F Anggara, HTBM Petrus, DAA Besari, H Manurung, FYA Saputra

📚 Buletin Sumber Daya Geologi 16 (1), 53-70, 2021

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28

Studi kinetika proses atmospheric pressure acid leaching bijih laterit limonit menggunakan larutan asam nitrat konsentrasi rendah

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👨‍🔬 KC Wanta, FH Tanujaya, RF Susanti, HTBM Petrus, I Perdana, W Astuti

📚 Jurnal Rekayasa Proses 12 (2), 19-26, 2018

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Lithium separation from geothermal brine to develop critical energy resources using high-pressure nanofiltration technology: characterization and optimization

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📚 Membranes 13 (1), 86, 2023

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Microencapsulation of betacyanin from red dragon fruit (Hylocereus polyrhizus) peels using pectin by simple coacervation to enhance stability

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👨‍🔬 E Rahayuningsih, FA Setiawan, ABK Rahman, T Siahaan, HTBM Petrus

📚 Journal of Food Science and Technology 58 (9), 3379-3387, 2021

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Nickel recovery optimization and kinetic study of morowali laterite ore

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👨‍🔬 G Prameswara, FYP Tyassena, M Pasaribu, I Trisnawati, HTBM Petrus

📚 Transactions of the Indian Institute of Metals 76 (5), 1341-1348, 2023

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Kinetics of Yttrium Dissolution from Alkaline Fusion on Zircon Tailings

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👨‍🔬 G Prameswara, I Trisnawati, H Poernomo, P Mulyono, A Prasetya, ...

📚 Mining, Metallurgy & Exploration, 2020

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Functionalized magnetite-biochar with live and dead bacteria for adsorption-biosorption of highly toxic metals: Cd, Hg, and Pb

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📚 Next Materials 6, 100487, 2025

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Effect of pulp density and particle size on indirect bioleaching of Pomalaa nickel laterite using metabolic citric acid

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👨‍🔬 H Petrus, KC Wanta, H Setiawan, I Perdana, W Astuti

📚 IOP Conference Series: Materials Science and Engineering 285 (1), 012004, 2018

2018

35

Effect of pH and diethyl dithiophosphate (DTP) treatment on chalcopyrite and tennantite surfaces observed using atomic force microscopy (AFM)

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👨‍🔬 HTBM Petrus, T Hirajima, K Sasaki, H Okamoto

📚 Colloids and Surfaces A: Physicochemical and Engineering Aspects 389 (1-3 …, 2011

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Advancing lithium extraction: a comprehensive review of titanium-based lithium-ion sieve utilization in geothermal brine

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👨‍🔬 VSH Sujoto, A Prasetya, HTBM Petrus, W Astuti, SNA Jenie, F Anggara, ...

📚 Journal of Sustainable Metallurgy 10 (4), 1959-1982, 2024

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Geothermal silica-based fluorescent nanoparticles for the visualization of latent fingerprints

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👨‍🔬 ASN Jenie, FSH Krismastuti, YP Ningrum, A Kristiani, MD Yuniati, W Astuti, ...

📚 Materials Express 10 (2), 258-266, 2020

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Pengaruh Derajat Keasaman (pH) dalam Proses Presipitasi Hidroksida Selektif Ion Logam dari Larutan Ekstrak Spent Catalyst

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👨‍🔬 KC Wanta, FD Putra, RF Susanti, GP Gemilar, W Astuti, S Virdhian, ...

📚 Jurnal Rekayasa Proses 13 (2), 2019

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Synthesis and characterization of biocomposites based on chitosan and geothermal silica

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👨‍🔬 Y Kusumastuti, HTBM Petrus, F Yohana, AT Buwono, RB Zaqina

📚 AIP Conference Proceedings 1823 (1), 020127, 2017

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Lithium recovery from mixed spent LFP-NMC batteries through atmospheric water leaching

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👨‍🔬 I Perdana, DR Aprilianto, FA Fadillah, R Fadli, HTBM Petrus, W Astuti, ...

📚 Scientific Reports 15 (1), 2591, 2025

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Signature characteristics of coal geochemistry from the Eocene Tanjung Formation and the Miocene Warukin Formation, Barito Basin: Insights into geological control on coal …

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👨‍🔬 F Anggara, AA Patria, B Rahmat, H Wibisono, MZJ Putera, HTBM Petrus, ...

📚 International Journal of Coal Geology 282, 104423, 2024

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42

Study of the optimization of gold ore concentration using gravity separator (shaking table): case study for LS epithermal gold deposit in Artisanal Small scale Gold Mining …

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👨‍🔬 R Ernawati, A Idrus, H Petrus

📚 IOP Conference Series: Earth and Environmental Science 212 (1), 012019, 2018

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Effect of bentonite addition on geopolymer concrete from geothermal silica

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👨‍🔬 HTBM Petrus, J Hulu, GSP Dalton, E Malinda, RA Prakosa

📚 Materials Science Forum 841, 7-15, 2016

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44

Biochar MMT ZnAl LDH composite materials derived from solid waste for heavy metal removal in artificial acid mine drainage

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📚 Scientific reports 15 (1), 14914, 2025

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45

Effect of sulfate and carbonate ions on Lithium Carbonate Precipitation from a low concentration Lithium containing solution

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👨‍🔬 DR Aprilianto, I Perdana, Rochmadi, HTBM Petrus

📚 Industrial & Engineering Chemistry Research 63 (11), 4918-4933, 2024

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46

Energy and Exergy Analysis of Dieng Geothermal Power Plant

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👨‍🔬 AH Qurrahman, W Wilopo, SP Susanto, HTBM Petrus

📚 International Journal of Technology 12 (1), 2021

2021

47

Potensi Larva Hermetia illucens sebagai Pereduksi Limbah Industri Pengolahan Hasil Perikanan The Potential of Hermetia illucens Larvae as Reducer of Industrial Fish Processing …

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👨‍🔬 AR Hakim, A Prasetya, H Petrus

📚 Jurnal Perikanan Universitas Gadjah Mada 19 (1), 39-44, 2017

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48

Fly ash and bottom ash utilization as geopolymer: Correlation on compressive strength and degree of polymerization observed using FTIR

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👨‍🔬 AS Adelizar, M Olvianas, DM Adythia, MF Syafiyurrahman, I Pratama, ...

📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012042, 2020

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Recovering secondary REE value from spent oil refinery catalysts using biogenic organic acids

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👨‍🔬 MP Dewi, HTBM Petrus, N Okibe

📚 Catalysts 10 (9), 1090, 2020

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50

Product Diffusion-Controlled Leaching of Nickel Laterite using Low Concentration Citric Acid Leachant at Atmospheric Condition

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👨‍🔬 IP Kevin Cleary Wanta, Widi Astuti, Himawan Tri Bayu Murti Petrus

📚 International Journal of Technology 13 (2), 410-421, 2022

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51

Preparation, Characterization, and Release Study of Nanosilica/Chitosan Composite Films

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📚 International Journal of Technology 13 (2), 444-453, 2022

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52

Synthesis and characteristic of nanosilica from geothermal sludge: Effect of surfactant

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👨‍🔬 AR Adiatama, RF Susanti, W Astuti, HTBM Petrus, KC Wanta

📚 Jurnal Metalurgi 37 (2), 73-86, 2022

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53

A kinetics study of acetic acid on cobalt leaching of spent LIBs: Shrinking Core Model

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👨‍🔬 H Setiawan, HTBM Petrus, I Perdana

📚 MATEC Web of Conferences 154, 01033, 2018

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54

IR spectral similarity studies of geothermal silica-bentonite based geopolymer

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👨‍🔬 M Olvianas, A Widiyatmoko, HTBM Petrus

📚 AIP conference proceedings 1887 (1), 020015, 2017

2017

55

GAMA-RainFilter: a modified rainwater harvesting technique to meet the demand of clean water in Indonesia

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👨‍🔬 A Maryono, S Nuranto, PTS Sembada, HTBM Petrus

📚 International Journal of Hydrology Science and Technology 13 (1), 1-22, 2022

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56

Kinetic study of lithium leaching from Sidoarjo mud using sulfuric acid

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👨‍🔬 A Maulidia, VSH Sujoto, DPA Sudarmaja, JJE Putri, SNA Jenie, W Astuti, ...

📚 Mining, Metallurgy & Exploration 40 (4), 1279-1288, 2023

2023

57

Separation characteristic and selectivity of lithium from geothermal brine using forward osmosis

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👨‍🔬 PCBW Mustika, W Astuti, S Sumardi, HTBM Petrus, Sutijan

📚 Journal of Sustainable Metallurgy 8 (4), 1769-1784, 2022

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Recovery of Rare earth elements and yitrium from non-magnetic coal fly ash using acetic acid solution

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📚 J. Metal. Ind 42, 35-42, 2020

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Uji validitas model shrinking core terhadap pengaruh konsentrasi asam sitrat dalam proses leaching nikel laterit

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👨‍🔬 KC Wanta, HTBM Petrus, I Perdana, W Astuti

📚 JURNAL REKAYASA PROSES 11 (1), 2017

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60

Study on the geopolymerization of geothermal silica and kaolinite

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👨‍🔬 M Olvianas, M Najmina, BSL Prihardana, FA Sutapa, A Nurhayati, ...

📚 Advanced Materials Research 1112, 528-532, 2015

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Kinetics Study of Yttrium Leaching from Zircon Tailings Using Sulfuric Acid

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📚 Indonesian Journal of Chemistry, 2023

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62

A Growth Kinetics Model for Black Soldier Fly (Hermetia illucens) Larvae

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👨‍🔬 A Prasetya, R Darmawan, TLB Araujo, HTBM Petrus, FA Setiawan

📚 International Journal of Technology 12, 2021

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63

Valorization of Geothermal Silica and Natural Bentonite through Geopolymerization: A Characterization Study and Response Surface Design

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👨‍🔬 HTBM Petrus, M Olvianas, W Astuti, MI Nurpratama

📚 International Journal of Technology 12, 2021

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64

Optimization of multistage precipitation processes for rare earth element purification from Indonesian zircon tailings

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📚 Journal of Sustainable Metallurgy 7 (2), 537-546, 2021

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65

Phosphate decomposition by alkaline roasting to concentrate rare earth elements from monazite of Bangka Island, Indonesia

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👨‍🔬 T Purwanti, M Setyadji, W Astuti, I Perdana, HTBM Petrus

📚 Journal of Mining Science 56 (3), 477-485, 2020

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66

Leaching behavior of lanthanum, nickel and iron from spent catalyst using inorganic acids

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👨‍🔬 W Astuti, NM Prilitasari, Y Iskandar, D Bratakusuma, H Petrus

📚 IOP Conference Series: Materials Science and Engineering 285 (1), 012007, 2018

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Optimization of gold ore Sumbawa separation using gravity method: Shaking table

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👨‍🔬 AD Ferdana, HTBM Petrus, IM Bendiyasa, ID Prijambada, F Hamada, ...

📚 AIP Conference Proceedings 1945 (1), 020070, 2018

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Atmospheric leaching behavior and kinetics study of roasted laterite ore

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👨‍🔬 G Prameswara, I Amin, AN Ulfah, I Trisnawati, HTBM Petrus, F Puspita

📚 Mining, Metallurgy & Exploration 41 (2), 1025-1033, 2024

2024

69

Characterization of Nitrogen Release in Modified Controlled-Release-Fertilizer using Rice Husk Biochar

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👨‍🔬 HTBM Petrus, ADP Putera, IP Wangi, MA Ramadhian, H Setiawan, ...

📚 International Journal of Technology, 2020

2020

70

Recovery of hollow and spherical particles from coal fly ash by wet separation process

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👨‍🔬 T HIRAJIMA, Y OOSAKO, M NONAKA, H Petrus, K SASAKI, T ANDO

📚 Journal of MMIJ 124 (12), 878-884, 2008

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71

Utilization of high-volume fly ash in pervious concrete mixtures for mangrove conservation

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👨‍🔬 JJ Ekaputri, XDEA Ruitan, HTBM Petrus, M Anda, LH Purbawinasta, ...

📚 Resources, conservation & recycling advances 21, 200204, 2024

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Indonesian nickel overview: potential, development and future prospects

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👨‍🔬 J ChuanYu, H Manurung, F Anggara, HTBM Petrus

📚 Conference of Metallurgists, 753-763, 2024

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Highly efficient modified constructed wetlands using waste materials for natural acid mine drainage treatment

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📚 Sustainability 15 (20), 14869, 2023

2023

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Forward Osmosis to Concentrate Lithium from Brine: The Effect of Operating Conditions (pH and Temperature)

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📚 International Journal of Technology 13 (1), 136-146, 2022

2022

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Kinetics of fly ash geopolymerization using semi quantitative fourier-transform infrared spectroscopy (FTIR); corr data

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👨‍🔬 HTB Murti Petrus, AS Adelizar, A Widiyatmoko, M Olvianas, W Suprapta, ...

📚 IOP Conference Series: Materials Science and Engineering 532 (1), 012001, 2019

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76

A comprehensive review of layered double hydroxide/magnetite-biochar for chromium removal from wastewater

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📚 Bioresource Technology Reports 29, 102034, 2025

2025

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Leaching characteristics of lanthanum from a secondary resource using inorganic and organic acids: Emphasizing the citric acid kinetics

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👨‍🔬 W Astuti, FR Mufakhir, FA Setiawan, KC Wanta, HTBM Petrus

📚 Circular Economy and Sustainability 3 (1), 241-252, 2023

2023

78

Kinetics of Electrically Enhanced Boron Removal From Silicon Using CaO-SiO2 and CaO-SiO2-Al2O3 Slag

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👨‍🔬 ADP Putera, MS Islam, KL Avarmaa, H Petrus, GA Brooks, ...

📚 Metallurgical and Materials Transactions B 54 (3), 1228-1244, 2023

2023

79

Rapid and highly efficient adsorption of dye and heavy metal on low-cost adsorbent derived from human feces and chlorella vulgaris

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📚 Environmental Nanotechnology, Monitoring & Management 20, 100905, 2023

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80

Lithium recovery from synthetic geothermal brine using electrodialysis method

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👨‍🔬 VSH Sujoto, Sutijan, W Astuti, FR Mufakhir, H Petrus

📚 IOP Conference Series: Earth and Environmental Science 882 (1), 012003, 2021

2021

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Understanding membrane fouling in pressure-driven and thermal-driven processes for brines applications: challenges, mechanisms, characterization, mitigation strategies, and …

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👨‍🔬 PCBW Mustika, PD Sutrisna, S Sutijan, HTBM Petrus, S Sumardi, W Astuti

📚 Journal of Water Process Engineering 72, 107631, 2025

2025

82

Community empowerment through sustainable utilisation of mangrove forests for the production of natural dyes with an environmentally friendly system (phase I: Increasing …

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👨‍🔬 DT Adriyanti, TWS Putri, A Mindaryani, A Prasetya, H Petrus

📚 Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal Of Community …, 2023

2023

83

Molybdenum extraction from spent catalyst using citric acid: characteristic and kinetics study

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👨‍🔬 AS Rezki, S Sumardi, W Astuti, I Made Bendiyasa, HTBM Petrus

📚 IOP Conference Series: Earth and Environmental Science 830 (1), 012020, 2021

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84

Valuable metals extraction from hydrocracking spent catalyst using citric acid

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👨‍🔬 DP Sari, A Tawfiequrahman, HTBM Petrus, FR Mufakir, W Astuti, ...

📚 Seminar Nasional Teknik Kimia" Kejuangan", G4-G4, 2018

2018

85

Study of diethyl dithiophosphate adsorption on chalcopyrite and tennantite at varied pHs

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📚 Journal of Mining Science 47 (5), 695-702, 2011

2011

86

Understanding FABA composition in coal-fired power plants: Impact of operating conditions and combustion efficiency on ash characteristics–A case study in PT Bukit Asam, South …

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👨‍🔬 F Anggara, DAA Besari, D Timotius, DH Amijaya, W Al Hasunah, ...

📚 Results in Engineering 23, 102590, 2024

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Correlation of Nano Titanium Dioxide Synthesis and the Mineralogical Characterization of Ilmenite Ore as Raw Material

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📚 International Journal of Technology 12 (4), 749-759, 2021

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88

Leaching of REY from Non-magnetic Coal Fly Ash with Acetic Acid

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👨‍🔬 H Manurung, W Rosita, F Anggara, H Petrus, IM Bendiyasa

📚 IOP Conference Series: Materials Science and Engineering 778, 2020

2020

89

Pengaruh Reagen Pelindian pada Sintesis ZnO dari Debu Tungku Busur Listrik

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📚 Jurnal Rekayasa Proses 14 (1), 2020

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Potency of rare earth elements and yttrium in Indonesia coal ash

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👨‍🔬 W Rosita, DAA Besari, IM Bendiyasa, I Perdana, F Anggara, HTBM Petrus

📚 Key Engineering Materials 849, 102-107, 2020

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Characterization and A Preliminary Study of TiO2 Synthesis from Lampung Iron Sand

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📚 Key Engineering Materials 849, 113-118, 2020

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Kinetic study of nickel laterite reduction roasting by palm kernel shell charcoal

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📚 IOP Conference Series: Earth and Environmental Science 65 (1), 012027, 2017

2017

93

Recovery of Critical Elements (Dysprosium and Ytterbium) from Alkaline Process of Indonesian Zircon Tailings: Selective Leaching and Kinetics Study

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👨‍🔬 G Prameswara, I Trisnawati, T Handini, H Poernomo, P Mulyono, ...

📚 International Journal of Technology 14 (1), 770-779, 2023

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Lithium titanium oxide synthesis by solid-state reaction for lithium adsorption from artificial brine source

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👨‍🔬 I H Tangkas, W Astuti, Sutijan, S Sumardi, H Petrus

📚 IOP Conference Series: Earth and Environmental Science 882 (1), 012005, 2021

2021

95

Nutrient Recovery from Slaughterhouse Wastewater

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👨‍🔬 HTBMPCWP S Sreyvich

📚 IOP Conference Series: Materials Science and Engineering, 26th Regional …, 2020

2020

96

Effect of sonication time and particle size for synthesis of magnetic nanoparticle from local iron sand

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📚 J. Eng. Sci. Technol 15 (2), 894-904, 2020

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Characterization of three dimensional scaffolds from local chitosan/alginate/geothermal silica for potential tissue engineering applications

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📚 Journal of Engineering Science and Technology 13 (11), 3500-3515, 2018

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Pelindian Nikel dari Bijih LimonitLow-Grade Pomalaa Menggunakan Pelarut Asam Asetat

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👨‍🔬 HSEA Agustina, IMA Bendiyasa, HTBM Petrus, FR Mufakir, W Astuti

📚 Seminar Nasional Teknik Kimia" Kejuangan", 8, 2018

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From geothermal sources to advanced applications: A review of sustainable silica nanomaterials

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👨‍🔬 SNA Jenie, A Kristiani, RR Widjaya, Y Kusumastuti, P Prihutami, W Astuti, ...

📚 Materials Today Communications 43, 111635, 2025

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A Product Diffusion Model for the Extraction of Cerium and Yttrium from Magnetic Coal Fly Ash Using Citric Acid Solution

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👨‍🔬 P Prihutami, WB Sediawan, A Prasetya, HTBM Petrus

📚 International Journal of Technology 13 (4), 921-930, 2022

2022

101

Investigation on Saprolitic Laterite Ore Reduction Process using Palm Kernel Shell Charcoal: Kinetics and Phase Transformation

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👨‍🔬 HTBM Petrus, ADP Putera, IW Warmada, F Nurjaman, W Astuti, ...

📚 International Journal of Technology 13 (3), 565-574, 2022

2022

102

Increasing of metal recovery in leaching process of spent catalyst at low temperature: The addition of hydrogen peroxide and sodium chloride

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📚 Jurnal Metalurgi 36 (2), 77-86, 2021

2021

103

Preliminary study of rare earth element and yttrium (REY) content of coal in Sangatta Coalfield, East Kalimantan, Indonesia

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👨‍🔬 F Anggara, HTBM Petrus, AA Patria, AS Bangun

📚 Indonesian Journal on Geoscience 7 (3), 305-314, 2020

2020

104

Performance of Kulon Progo low grade manganese ore leaching using acetic acid and its selectivity

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👨‍🔬 RD Anggraeni, A Prasetya, H Petrus, RB Cahyono, S Sumardi, W Astuti

📚 IOP Conference Series: Materials Science and Engineering 478 (1), 012008, 2019

2019

105

Lamtoro charcoal (l. leucocephala) as bioreductor in nickel laterite reduction: performance and kinetics study

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👨‍🔬 H Petrus, A Diga, AR Rhamdani, IW Warmada, AT Yuliansyah, I Perdana

📚 Journal of Physics: Conference Series 817 (1), 012065, 2017

2017

106

The Influence of Precursor to Activator Ratio and Curing Temperature on Geopolymer Paste with One-Part Method

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👨‍🔬 A Widayanti, JJ Ekaputri, IN Amini, HTBM Petrus, AA Putri, RAA Soemitro, ...

📚 Civil Engineering Journal 11 (07), 2025

2025

107

On the diffusivity of boron in slag during silicon refining

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👨‍🔬 ADP Putera, K Avarmaa, H Petrus, GA Brooks, MA Rhamdhani

📚 Journal of Sustainable Metallurgy 10 (3), 1085-1093, 2024

2024

108

Zeolite functionalized with macroalgae as novel material for Fe and Mn removal from real acid mine drainage

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👨‍🔬 YG Wibowo, MT Sahnur, PS Al-Aziza, H Safitri, D Anwar, AT Maryani, ...

📚 Bioresource Technology Reports 27, 101951, 2024

2024

109

Recovery of rare earth elements from coal fly ash with high calcium and iron contents using alkaline and acid leaching

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👨‍🔬 JA Widowati, W Rosita, HTBM Petrus, F Anggara, RDD Putra, Suyanti

📚 Mining, Metallurgy & Exploration 41 (6), 3505-3516, 2024

2024

110

Penentuan kondisi optimum pembuatan silica gel menggunakan silika geothermal dengan metode sol-gel

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👨‍🔬 VSH Sujoto, IWCWH Tangkas, W Astuti, S Sumardi, SNA Jenie, ...

📚 Jurnal Rekayasa Proses, 2023

2023

111

Recovery of cobalt and molybdenum from consumed catalyst using hydrochloric acid

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👨‍🔬 DK Sutama, A Prasetya, H Petrus, W Astuti

📚 IOP Conference Series: Earth and Environmental Science 882 (1), 012004, 2021

2021

112

Synthesis and characterization of nickel hydroxide from extraction solution of spent catalyst

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👨‍🔬 KC Wanta, FH Tanujaya, FD Putra, RF Susanti, GP Gemilar, W Astuti, ...

📚 Jurnal Metalurgi 35 (3), 111-118, 2020

2020

113

Separation mechanism of tennantite and chalcopyrite with flotation after oxidation using oxygen

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👨‍🔬 HTBM Petrus, T Hirajima, K Sasaki, H Okamoto

📚 27th International Mineral Processing Congress, IMPC 2014, 2014

2014

114

Integrated adsorption-phytoremediation as facile and low-cost method for recovery of valuable minerals from mining waste

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👨‍🔬 YG Wibowo, D Anwar, A Rinovian, AT Maryani, H Syarifuddin, ...

📚 Bioresource Technology Reports 29, 102093, 2025

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115

Comprehensive Review of Hybrid Absorption-Adsorption Techniques for Chromium Removal from Wastewater Using Magnetite-Zeolite Suspended in Glycol Slurry

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👨‍🔬 YG Wibowo, D Anwar, H Safitri, A Setiawan, S Sudibyo, AT Yuliansyah, ...

📚 Colloids and Surfaces C: Environmental Aspects 3, 100066, 2025

2025

116

Preparation of Sulfonated SiO2 Catalyst from Geothermal Sludge Waste for Sago Flour Hydrolysis

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👨‍🔬 E Suhadi, A Sylviana, F Kurniawansyah, H Ni'mah, HTBM Petrus, ...

📚 Advances in Science and Technology 138, 71-75, 2024

2024

117

Roasting Decomposition for Phosphate Separation from Zircon Tailing

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👨‍🔬 I Trisnawati, G Prameswara, EP Sari, A Prasetya, P Mulyono, H Petrus

📚 Journal of Mining Science 58 (5), 830-838, 2023

2023

118

Passive removal of sulphate and heavy metals from acid mine drainage using sewage sludge and fly ash

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👨‍🔬 R Anungstri, A Prasetya, HT Bayu

📚 IOP Conference Series: Earth and Environmental Science 1201 (1), 012076, 2023

2023

119

Synthesis of Nickel Oxalate from Extract Solution of Nickel Laterite Ore: Optimation and Kinetics Study

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👨‍🔬 S Surianti, KC Wanta, W Astuti, FR Mufakhir, I Perdana, HTBM Petrus

📚 Journal of Mining Science 58 (3), 476-485, 2022

2022

120

Enhanced mechanical properties of organic-inorganic chitosan/nano silica composite film

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👨‍🔬 NAC Imani, Y Kusumastuti, H Petrus, D Timotius, M Kobayashi

📚 Journal of Advanced Manufacturing Technology (JAMT) 15 (2), 2021

2021

121

Subcritical water as a solvent for extraction of nickel and aluminum ions from reforming spent catalysts

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👨‍🔬 KC Wanta, WT Gunawan, RF Susanti, GP Gemilar, H Petrus, W Astuti

📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012025, 2020

2020

122

Fresh Neem Leaves (Azadirachta indica A. Juss) Extraction and Application: An Optimization using Response Surface Methodology

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👨‍🔬 E RAHAYUNINGSIH, IS SUBAGYA, FA SETIAWAN, H PETRUS

📚 Asian Journal of Chemistry 31 (11), 2567-2574, 2019

2019

123

Effect of temperature and acid concentration on lanthanum extraction from spent catalyst using organic acid

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👨‍🔬 H Petrus, A Wijaya, ADP Putra, Y Iskandar, D Bratakusuma, FR Mufakhir, ...

📚 IOP Conference Series: Materials Science and Engineering 478 (1), 012017, 2019

2019

124

Struvite precipitation using continuous flow reactor

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👨‍🔬 CW Purnomo, YN Marpaung, S Sreyvich, I Fadlilah, HTBM Petrus

📚 AIP Conference Proceedings 2085 (1), 020005, 2019

2019

125

Coconut shell charcoal as a bioreductor in roasting process of nickel laterite from Pomalaa, Southeast Sulawesi: performance and kinetics study

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👨‍🔬 ADP Putera, E Sugiarto, S Sutijan, IW Warmada, HTBM Petrus

📚 Materials Science Forum 901, 182-189, 2017

2017

126

Kinetic Modelling of the Pyrolysis of Biomass for the Development of Charcoal Briquette

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👨‍🔬 YR Idris, HT Bayu, J Wintoko, B Murachman, AT Yuliansyah, S Purwono

📚 IOP Conference Series Materials Science and Engineering 206, 2016

2016

127

Study on biomass performance in reduction of nickel laterite from Pomalaa, Sulawesi Tenggara

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👨‍🔬 MHA Rasyid, AR R, ADP P, HTBM Petrus

📚 AIP Conference Proceedings 1755 (1), 050007, 2016

2016

128

A fluorescence nanosensor based on modified sustainable silica for highly sensitive detection of the SARS-CoV-2 IgG antibody

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👨‍🔬 F Apriyani, SR Sari, HTBM Petrus, M Angelina, RV Manurung, ...

📚 Nanoscale 17 (9), 5438-5446, 2025

2025

129

Geological characterization of rare earth elements in Aceh’s igneous rocks: A step toward sustainable mining

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👨‍🔬 N Aida, S Nur, N Ahmad, VS Hadi Sujoto, HTB Murti Petrus, MB Mia

📚 International Journal of Design and Nature and Ecodynamics 20, 315-325, 2025

2025

130

Polyethyleneimine-assisted polydopamine co-deposition for fabricating loose reverse osmosis membranes with enhanced antifouling and selectivity for lithium extraction from …

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👨‍🔬 PCBW Mustika, R Sudarmanto, HH Irawan, AH Qiu, PD Sutrisna, ...

📚 Journal of Water Process Engineering 77, 108458, 2025

2025

131

Recycling of electric arc furnace dust waste as a precursor in pharmaceutical grade zinc oxide synthesis

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👨‍🔬 DS Rahayu, Y Kusumastuti, W Astuti, SNA Jenie, HTBM Petrus

📚 Circular Economy and Sustainability 4 (1), 489-501, 2024

2024

132

Maleic anhydride esterified potato starch as the binder in silicon nanoparticles anode for lithium-ion batteries

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👨‍🔬 HTBM Petrus, A Daulay, W Astuti, YI Supriyatna, A Kurniawan, ...

📚 International Journal of Biological Macromolecules 281, 136407, 2024

2024

133

Pengaruh penambahan fly ash PLTU Cirebon dan temperatur pengeringan terhadap kuat tekan material konstruksi beton high volume fly ash (HFVA)

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👨‍🔬 F Anggara, VSH Sujoto, I Tangkas, W Astuti, S Sumardi, ISR Putra, ...

📚 Jurnal Rekayasa Proses 17 (2), 172-178, 2023

2023

134

A Comparison Study of Nickel Laterite Reduction using Coal and Coconut Shell Charcoal: A FactSage Simulation

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👨‍🔬 ADP Putera, IW Warmada, DH Amijaya, W Astuti, IG Sukadana, ...

📚 International Journal of Technology 14 (2), 267-275, 2023

2023

135

Ilmenite sand direct leaching kinetics in hydrochloric acid solution

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👨‍🔬 VMP Anggraeni, YI Supriyatna, W Astuti, S Sumardi, A Prasetya, ...

📚 Journal of Sustainable Metallurgy 9 (4), 1578-1588, 2023

2023

136

Bioremediation of Mercury-Polluted Water in Free Water Surface-Constructed Wetland System by Euglena sp. and Echinodorus palifolius (Nees & Mart.) JF Macbr.

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👨‍🔬 DU Siswanti, BS Daryono, HTB Murti Petrus, EA Suyono

📚 Journal of Tropical Biodiversity & Biotechnology 8 (3), 2023

2023

137

Effect of Surfactant Type on Synthesis and Characteristics of Nanonickel Hydroxide

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👨‍🔬 KC Wanta, S Lim, RF Susanti, GP Gemilar, W Astuti, HTBM Petrus

📚 Jurnal Rekayasa Proses 15 (2), 217-230, 2021

2021

138

Effect of operating conditions on the flux recovery of lithium from geothermal brine using forward osmosis

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👨‍🔬 PCBW Mustika, S Sutijan, HTBM Petrus

📚 AIP Conference Proceedings 2349 (1), 020056, 2021

2021

139

Nickel recovery from precipitate of NCA lithium-ion battery leach liquor by using disodium ethylene diamine tetraacetate

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👨‍🔬 AUN Izzati, H Petrus, A Prasetya

📚 IOP Conference Series: Earth and Environmental Science 882 (1), 012002, 2021

2021

140

Bioleaching of Valuable Metals from Spent Catalyst Using Metabolic Citiric Acid by Aspergillus niger

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👨‍🔬 HTBM Petrus, H Manurung, RJ Aditya, R Amanda, W Astuti

📚 Applied Mechanics and Materials 898, 23-28, 2020

2020

141

PELINDIAN ZIRKONIUM DARI TAILING MAGNETIK PASIR ZIRKON HASIL ROASTING MENGGUNAKAN NAOH

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👨‍🔬 I Trisnawati, Petrus, Himawan Tri Bayu Murti

📚 Metalurgi 35 (3), 83-88, 2020

2020

142

The kinetic study of limonitic low grade nickel ore leaching using hydrochloric acid

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👨‍🔬 H Gustiana, IM Bendiyasa, A Prasetya, FR Mufakhir, W Astuti, H Petrus

📚 IOP Conference Series: Materials Science and Engineering 478 (1), 012009, 2019

2019

143

Study on Sumbawa gold ore liberation using rod mill: effect of rod-number and rotational speed on particle size distribution

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👨‍🔬 A Prasetya, A Mawadati, AMR Putri, H Petrus

📚 IOP Conference Series: Materials Science and Engineering 285 (1), 012024, 2018

2018

144

Reduksi limbah palm kernel meal dan kompos tandan kosong kelapa sawit menggunakan larva Hermetia Illucens

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👨‍🔬 LH Wicaksono, HTB Petrus, AT Yuliansah

📚 Simposium Nasional RAPI 16, 91-96, 2017

2017

145

The Potential of Hermetia illucens Larvae as Reducer of Industrial Fish Processing Waste

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👨‍🔬 AR Hakim, A Prasetya, HTBM Petrus

📚 Jurnal Perikanan Universitas Gadjah Mada 19 (1), 39-44, 2017

2017

146

Kinetics study of carbon raiser on the reduction of nickel laterite from Pomalaa, Southeast Sulawesi

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👨‍🔬 H Petrus, AR Rhamdani, ADP Putera, IW Warmada, AT Yuliansyad, ...

📚 IOP Conference Series: Materials Science and Engineering 162 (1), 012019, 2016

2016

147

Characterization of nickel laterite reduction from Pomalaa, Sulawesi Tenggara

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👨‍🔬 AR Rhamdani, HTBM Petrus, M Fahrurrozi

📚 AIP Conference Proceedings 1699 (1), 050012, 2015

2015

148

Enhancement of compressive strength in geopolymers: a study on fly ash characteristics and solid activation using dry method

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👨‍🔬 O Ulandari, VSH Sujoto, W Astuti, F Anggara, HTBM Petrus, A Prasetya

📚 Journal of Material Cycles and Waste Management 27 (4), 2303-2320, 2025

2025

149

Graphene Oxide with Neodymium Oxide Composite Using Sonochemical Method as Electrode Material for Supercapacitor: Daulay, Astuti, Saptoro, Anggara, Suyantara, and Petrus

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👨‍🔬 A Daulay, W Astuti, A Saptoro, F Anggara, GPW Suyantara, HTBM Petrus

📚 JOM 77 (10), 7449-7460, 2025

2025

150

Atmospheric Leaching Behavior and Kinetics of Nickel and Cobalt from Halmahera Limonite Ore

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👨‍🔬 W Astuti, D Avista, P Prihutami, KC Wanta, A Prakosa, F Anggara, ...

2024

151

Mercury removal by Aquarius palifolius (Nees & Mart.) Christenh. & Byng: Isotherms model, superoxide dismutase activity, and chlorophyll content

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👨‍🔬 DU Siswanti, D Ayuningtyas, SN Nugraheni, T Nurhanifah, HTBM Petrus, ...

📚 Watershed Ecology and the Environment 6, 227-233, 2024

2024

152

Leaching characteristics of cerium and yttrium from non-magnetic coal fly ash after silicate digestion using acetic acid

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👨‍🔬 H Manurung, IM Bendiayasa, F Anggara, KC Wanta, W Astuti, H Petrus

📚 Journal of the Southern African Institute of Mining and Metallurgy 124 (10 …, 2024

2024

153

Drying of Merbau (Intsia bijuga) Sawdust Extract: Effect of Temperature on the Quality of Natural Dye Product

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👨‍🔬 A Mindaryani, VSH Sujoto, SCM Silalahi, HTBM Petrus, E Rahayuningsih

📚 Indonesian Journal of Chemistry, 2023

2023

154

Removal of Sulphate and Heavy Metals from Acid Mine Drainage using Permeable Reactive Barrier Technique

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👨‍🔬 R Anungstri, HTBM Petrus, A Prasetya

📚 IOP Conference Series: Earth and Environmental Science 1065 (1), 012059, 2022

2022

155

Conjugation of E.coli antibody with fluorescent natural silica-based nanoparticles: Preparation and characterization

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👨‍🔬 DA Widyasari, D Julyansyah, A Kristiani, BA Widyaningrum, HTBM Petrus, ...

📚 AIP Conference Proceedings 2382 (1), 030009, 2021

2021

156

Utilization of silica from indonesian solid wastes as catalyst materials

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👨‍🔬 F Kurniawansyah, AD Istiqomah, AJ Malahayati, HTBM Petrus, ...

📚 Key Engineering Materials 849, 72-77, 2020

2020

157

Kinetics on Biomass Conversion of Terminalia Catappa L. Shell through Isothermal Pyrolysis

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👨‍🔬 Yuniarti, B Murachman, S Purwono, HTBM Petrus

📚 engineering journal 24 (4), 49-62, 2020

2020

158

Effect of inlet speed on gravitational air separator for cenospheres accumulation from fly ash: modeling using computational fluid dynamics (CFD)

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👨‍🔬 Sutijan, SW Sandiwan, KI Saputra, MH Mahdi, MS Albarkan, A Prasetya, ...

📚 IOP Conference Series: Materials Science and Engineering 478 (1), 012028, 2019

2019

159

Pengaruh Waktu dan Konsentrasi NaOH pada Proses Delignifikasi Wheat Bran

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👨‍🔬 DS Wulansari, S Supranto

📚 Jurnal Rekayasa Proses 10 (2), 48-54, 2016

2016

160

Mineralogical characterization of Indonesian rare earth elements from secondary resource (zircon tailings)

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👨‍🔬 G Prameswara, I Trisnawati, P Mulyono, A Prasetya, HTBM Petrus

📚 Transition Metal Chemistry 50 (1), 43-49, 2025

2025

161

Buton asphalt: prospect and strategy for asphalt import substitution in Indonesia

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👨‍🔬 A Miswanto, S Rochani, U Dani, H Haryadi, I Suherman, T Suseno, ...

📚 Mineral Economics 38 (1), 119-130, 2025

2025

162

Exploring the feasibility of nanocomposites from solid waste materials for acid mine drainage remediation: A comprehensive scientific review

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👨‍🔬 YG Wibowo, H Safitri, D Anwar, A Rohman, AT Maryani, S Sudibyo, ...

📚 Total Environment Engineering 2, 100005, 2025

2025

163

Multistage refining of silicon using CaO–SiO2–Al2O3 and CaO–SiO2–MgO slags

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👨‍🔬 ADP Putera, KL Avarmaa, H Petrus, J Chen, GA Brooks, MA Rhamdhani

📚 Journal of Sustainable Metallurgy 11 (2), 895-907, 2025

2025

164

Controlled Particle Size Distribution in Ultrasound-Assisted Lithium Carbonate Precipitation

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👨‍🔬 DR Aprilianto, I Perdana, IE Aluicius, F Adi-Kusumo, Rochmadi, ...

📚 ACS omega 10 (29), 32226-32245, 2025

2025

165

High-yield synthesis of silica nanoparticles from geothermal sludge via a facile co-precipitation method: Statistical optimization and kinetic analysis

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👨‍🔬 HTBM Petrus, A Andriani, VSH Sujoto, M Inggrini, M Syauqi, W Astuti, ...

📚 Particuology, 2025

2025

166

Biochar-layered double hydroxide vs biochar-layered double oxide: a critical review on their applications in water pollution control

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📚 Water-Energy Nexus 8, 205-228, 2025

2025

167

Enhanced Recovery of Nickel and Cobalt from Limonitic Laterite Ore: Optimization and Kinetics of Atmospheric Sulfuric Acid Leaching

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📚 Journal of Sustainable Metallurgy 11 (4), 4127-4140, 2025

2025

168

Selective separation of nickel and cobalt from NCA-type lithium-ion battery precipitates using disodium EDTA

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👨‍🔬 AUN Izzati, VSH Sujoto, W Astuti, YI Supriyatna, I Perdana, HTBM Petrus, ...

📚 Separation and Purification Technology 376, 134101, 2025

2025

169

Kinetics and Thermodynamics Study of Ammonia Leaching on Spent LMR-NMC Battery Cathodes

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👨‍🔬 I Perdana, MI Rahman, DR Aprilianto, HTBM Petrus, DH Kinanti

📚 Indonesian Journal of Chemistry 24 (3), 876-892, 2024

2024

170

Electrically-Enhanced Boron and Phosphorus Removal from Silicon by CaO–SiO2–Al2O3/–MgO Slag Treatment

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👨‍🔬 ADP Putera, K Avarmaa, M Humbert, HTBM Petrus, G Brooks, ...

📚 TMS Annual Meeting & Exhibition, 1459-1471, 2024

2024

171

Antibacterial activity of copper nanoparticles (CuNPs) by chemical reduction method

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👨‍🔬 R Wulandari, Y Kusumastuti, A Prasetya, YA Purwestri, HTBM Petrus, ...

📚 AIP Conference Proceedings 3073 (1), 040001, 2024

2024

172

Development of Geothermal Sludge Derived-Silica Catalyst for Sago Starch Hydrolysis

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👨‍🔬 OKA Ariq, WN Bunga, EM Idzati, F Kurniawansyah, H Ni'mah, ...

📚 Engineering Headway 6, 37-41, 2024

2024

173

Effect of pH neutral on the separation of nickel and cobalt from laterite leaching solution using cyanex 272

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👨‍🔬 APT Yuda, H Petrus, W Astuti

📚 IOP Conference Series: Earth and Environmental Science 1388 (1), 012027, 2024

2024

174

Kajian techno-economy produk etilen dari etanol berbasis pertumbuhan dan prakiraan pasar di Indonesia

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👨‍🔬 H Haryadi, W Astuti, CE Suryanaga, HTBM Petrus

📚 Jurnal Rekayasa Proses 17 (2), 191-205, 2023

2023

175

Optimization of lithium separation from NCA leachate solution: Investigating the impact of feed concentration, pressure, and complexing agent concentration

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👨‍🔬 PCBW Mustika, EC Suryanaga, I Perdana, S Sutijan, W Astuti, ...

📚 ASEAN Journal of Chemical Engineering 23 (3), 343-359, 2023

2023

176

The Study of Methylene Blue Loading into Chitosan-graft-Maleic Sponges

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👨‍🔬 D Timotius, Y Kusumastuti, R Omar, R Harun, SMM Kamal, SNA Jenie, ...

📚 International Journal of Technology, 2022

2022

177

Pengaruh Karakteristik Bijih pada Ekstraksi Nikel dari Bijih Limonit Indonesia Menggunakan Pelindian Atmosferik (The Effect of Ore Characteristics on Nickel Extraction from …

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👨‍🔬 W Astuti, FR Mufakhir, F Nurjaman, S Sumardi, U Herlina, F Bahfie, ...

📚 Metal Indonesia 43 (1), 9-16, 2021

2021

178

Densification process of Merbau (Intsia bijuga) and Matoa (Pometia pinnata JR Forster & JG Forster) Sawdust Waste for Biomass Based Solid Fuel Source in West Papua Indonesia …

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👨‍🔬 A Prasetya, H Siagian, FA Setiawan, HTBM Petrus, ME ST, D Eng

📚 Jurnal Rekayasa Proses 15 (1), 116-130, 2021

2021

179

Production of biochar from bitter melon seeds waste by pyrolysis method

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👨‍🔬 P Khumairoh, HTBM Petrus, CW Purnomo

📚 IOP Conference Series: Earth and Environmental Science 830 (1), 012019, 2021

2021

180

Effect of power plant operating conditions on fly ash and bottom ash composition: a case study from power plant in Lampung

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👨‍🔬 DAA Besari, F Anggara, H Petrus, W Astuti, WA Husnah

📚 IOP Conference Series: Earth and Environmental Science 851 (1), 012039, 2021

2021

181

DISTRIBUSI HAFNIUM PADA MODEL KESETIMBANGAN CAIR–CAIR EKSTRAKSI PEMISAHAN ZIRKONIUM DAN HAFNIUM

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👨‍🔬 D Husnurrofiq

📚 Prosiding Seminar Nasional Riset dan Teknologi Terapan (Ritektra), D2-D2, 2021

2021

182

Study of nickel extraction process from spent catalysts with hydrochloric acid solution: effect of temperature and kinetics study

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👨‍🔬 ICN Simanungkalit, EP Bahri, RF Susanti, GP Gemilar, W Astuti, ...

📚 International Journal of Applied Sciences and Smart Technologies 3 (2), 161-170, 2021

2021

183

Valuable Metals Precipitation of Low Grade Nickel Ore Leachate Using Sodium Hydroxide

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👨‍🔬 Surianti, AN Utami, MA Permatasari, IM Bendiyasa, W Astuti, H Petrus

📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012043, 2020

2020

184

Cenosphere Separation from Fly Ash Using Modified Gravity Separator: Feed Ratio Assessment and Stream Velocity Optimization

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👨‍🔬 FYA Saputra, Sutijan, H Petrus

📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012006, 2020

2020

185

Amorphous Silicate Decomposition from Non-Magnetic Coal Fly Ash using Sodium Hydroxide

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👨‍🔬 H Manurung, W Rosita, H Petrus, IM Bendiyasa

📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012041, 2020

2020

186

Gold Leaching from Printed Circuit Boards (PCBs) as one of the Urban Mine Resources using Thiosulphate: Optimization using Response Surface Methodology (RSM)

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👨‍🔬 HTBM Petrus, AE Putra, HSA Gustiana, A Prasetya, IM Bendiyasa, ...

📚 IOP Conference Series: Materials Science and Engineering 778, 2020

2020

187

Microfacies and Depositional Environment of Senakin Coal, Tanjung Formation, South Borneo, Indonesia

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👨‍🔬 F Anggara, AN Fadhillah, AA Patria, DH Amijaya, HTBM Petrus

📚 Conference of the Arabian Journal of Geosciences, 163-166, 2020

2020

188

Synthesis of dry-mix of fly ash based geopolymer

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👨‍🔬 R Fatikhin, RB Cahyono, HTBM Petrus, I Perdana

📚 AIP Conference Proceedings 2085 (1), 020050, 2019

2019

189

Kinetika leaching platinum dari spent katalis menggunakan aqua regia

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👨‍🔬 WF Istiqomah, PS Prasojo, A Prasetya, HTBM Petrus

📚 Prosiding Seminar Nasional Energi & Teknologi (Sinergi), 93-100, 2019

2019

190

Mineralogy and Geochemistry of Gold Ore Low Sulfidation-Epithermal at Lamuntet, Brang Rea, West Sumbawa District, West Nusa Tenggara Province

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👨‍🔬 R Ernawati, A Idrus, HTBM Petrus

📚 Journal of Geoscience, Engineering, Environment, and Technology 4 (3), 198-207, 2019

2019

191

Study on Sumbawa gold recovery using centrifuge

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👨‍🔬 AD Ferdana, H Petrus, IM Bendiyasa, ID Prijambada, F Hamada, ...

📚 IOP Conference Series: Materials Science and Engineering 285 (1), 012027, 2018

2018

192

Solid-State Synthesized Titanium-Based Lithium Ion Sieve Stabilized by Crab Shell Chitosan for Durable and Efficient Lithium Recovery

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👨‍🔬 H Sujoto, V Sutresno, SN Aisyiyah Jenie, F Anggara, M Petrus, HT Bayu

📚 JOM 78 (2), 1200-1215, 2026

2026

193

Revalidation of Growth Kinetics Model of Black Soldier Fly Larvae (Hermetia illucens) with Fish Industrial Waste Substrate and Its Utilization

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📚 Waste and Biomass Valorization 16 (1), 413-421, 2025

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194

Facile Synthesis and Characterization of Magnetite Mesoporous Silica Nanoparticles from Local Iron Sand

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👨‍🔬 M Kurniasari, HTBM Petrus, SNA Jenie, Y Kusumastuti

📚 International Journal of Technology 16 (2), 448-457, 2025

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195

Characterization and Genomic Profiling of Potential Fe-Reducing Bacteria Isolated from Red Mud for Bioremediation

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📚 Journal of Ecological Engineering, 2025

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196

Valorization of solid residue from the lateritic nickel ore leaching process for ferronickel production

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📚 Waste and Biomass Valorization 16 (3), 1511-1520, 2025

2025

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Characterization and upgrading of Zircon sand from central Kalimantan placer gold mine tailings for Zirconia production

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📚 Mining, Metallurgy & Exploration 42 (2), 1025-1038, 2025

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Utilization of Geothermal Solid Waste to Improve the Properties of Acrylic Acid-Based Hydrogels: A Study on Swelling Behavior and Kinetics

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📚 Polymer, 128802, 2025

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Enhancing lithium concentration performance from synthetic geothermal brine through electro-nanofiltration method

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📚 Chemical Engineering Journal 516, 164134, 2025

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Functionalized Carbon-Based Materials vs. Bentonite Intercalation: A Comparative Review Using the PRISMA Method

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📚 Total Environment Engineering, 100033, 2025

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INDONESIAN JOURNAL ON GEOSCIENCE

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👨‍🔬 JM Supit, A Idrus, HTBM Petrus, IG Sukadana, F Pratiwi

📚 Indonesian Journal on Geoscience Vol 12 (2), 175-197, 2025

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An economic analysis of a novel potassium humate (K-Humate) production process from low rank coal: Incorporating carbon capture and heat integration process

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📚 Journal of Cleaner Production 522, 146316, 2025

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Kinetic modeling of humic acid production from oxidized South Sumatera lignite toward green and sustainable synthesis

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📚 Egyptian Journal of Chemistry 68 (13), 2025

2025

204

Oxalic Acid-assisted Sol–gel Synthesis of High-purity Amorphous Silica from Geothermal Waste

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📚 Periodica Polytechnica Chemical Engineering 69 (4), 662-672, 2025

2025

205

Studi Optimasi Komposisi Red Mud dan Asam Sitrat untuk Phytomining

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📚 Envirotek: Jurnal Ilmiah Teknik Lingkungan 16 (2), 2024

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Preliminary Study on the Modification of Quantum Dots/Geothermal Silica Nanocomposites with Breast Cancer Antibody (MUC-1)

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📚 Journal of Physics: Conference Series 2705 (1), 012014, 2024

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207

Facile synthesis of magnetic-fluorescent iron oxide-geothermal silica core/shell nanocomposites via modified sol–gel method

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📚 Journal of Sol-Gel Science and Technology 110 (1), 27-36, 2024

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Bimetallic Ni-Fe Supported by Gadolinium Doped Ceria (GDC) Catalyst for CO2 Methanation

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📚 Bulletin of Chemical Reaction Engineering & Catalysis 19 (1), 99-107, 2024

2024

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Sol-gel synthesis of zirconia-based nanoparticles from the side product of tin mining

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📚 E3S Web of Conferences 543, 02013, 2024

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210

Utilization of Spent Catalyst as a Raw Material for Rechargeable Battery Production: Effect of time, type, and concentration of organic acids

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📚 International Journal of Renewable Energy Development, 2023

2023

211

Separation Performance of Lithium and Calcium from Synthetic Geothermal Brine Using Electric Field-assisted Membrane

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👨‍🔬 DPA Sudarmaja, VSH Sujoto, CE Suryanaga, H Petrus, Sutijan, W Astuti

📚 IOP Conference Series: Earth and Environmental Science 1275 (1), 012011, 2023

2023

212

Heavy metals removal in liquid waste from spent-batteries recycling

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📚 IOP Conference Series: Earth and Environmental Science 1017 (1), 012004, 2022

2022

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Antibacterial effectiveness of synthesized copper nanoparticles by ultrasonication assisted method

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👨‍🔬 AF Mahmudah, Y Kusumastuti, HTBM Petrus, YA Purwestri

📚 7th International Conference on Biological Science (ICBS 2021), 471-481, 2022

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214

Tunable particle size synthesis of nanoclay from Sidoarjo geothermal mud via ultrasonic method

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📚 AIP Conference Proceedings 2708 (1), 040001, 2022

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215

Optimization of lithium extraction from mud using surface response methodology

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📚 AIP Conference Proceedings 2708 (1), 070005, 2022

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216

The potency of rare earth elements and yttrium in Konawe coal ashes, Indonesia

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👨‍🔬 M Farqhi, D Anisa Ayu Besari, F Anggara, H Tri Bayu Murti Petrus

📚 IOP Conference Series: Earth and Environmental Science 882 (1), 012037, 2021

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217

Effect of Particle Size and Shaking Speed on Enhancing Concentration of Manganese using Shaking Table

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📚 IOP Conference Series: Materials Science and Engineering 742 (1), 012027, 2020

2020

218

Optimasi Presipitasi Logam Tanah Jarang dari Campuran Konsentrat Logam Tanah Jarang dengan Metode” Response Surface Methodology”

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📚 METAL INDONESIA Учредители: Balai Besar Logam dan Mesin 42 (1), 28, 2020

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219

Manganese Recovery from Hydrocracking Spent Catalyst Using Citric Acid and Its Kinetics

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📚 INSIST 4 (2), 226-230, 2020

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220

Pengambilan lantanum dan nikel dari katalis bekas menggunakan asam sitrat: peninjauan performa secara kuantitatif menggunakan response surface method (lantanum and nickel …

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👨‍🔬 HTBM Petrus, A Wijaya, Y Iskandar, D Bratakusuma, H Setiawan, W Astuti

📚 Jurnal Metalurgi 33 (2), 91-100, 2018

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221

Mineralogi dan Geokimia Endapan Emas Epitermal di Paningkaban, Kabupaten Banyumas, Jawa Tengah

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📚 ReTII, 2017

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222

UV-Vis spectrophotometry and AFM observation of diethyl dithiophosphate adsorption on chalcopyrite at varied pHs

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📚 Journal of Chemistry and Chemical Engineering 5 (11), 1006-1013, 2011

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223

Development and optimisation of titanium-based lithium-ion sieves through solid-state synthesis for high-efficiency Brine lithium recovery

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📚 Transition Metal Chemistry 51 (1), 4, 2026

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224

Towards sustainable scandium extraction: atmospheric sulfuric acid leaching of Indonesian lateritic nickel ore

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📚 Transition Metal Chemistry 51 (1), 1-18, 2026

2026

225

Nickel recovery from nickel-containing spent catalyst using atmospheric leaching and oxalate precipitation

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📚 Jurnal Rekayasa Proses, 2025

2025

226

Pengaruh kalsinasi terhadap karakteristik mesoporous nanosilica (MSN) dari sludge geothermal dan performanya dalam sistem drug loading kurkumin

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📚 Jurnal Rekayasa Proses, 2025

2025

227

Titanium Dioxide Production from Low-Grade Ilmenite Ore: Mineral Characterization and Optimization

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📚 Archives of Metallurgy and Materials, 77-86-77-86, 2025

2025

228

Next Materials

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2025

229

Extraction of gadolinium and neodymium from tayan red mud

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👨‍🔬 C Simbolon, P Mulyono, S Sutijan, HTBM Petrus, W Astuti, E Handini

📚 BIS Energy and Engineering 2, V225012-V225012, 2025

2025

230

Atmospheric acid leaching of limonite laterite ores using nitric acid

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📚 AIP Conference Proceedings 3295 (1), 030006, 2025

2025

231

A comprehensive review of potential utilization of novel flame-resistant hydrogel composites using alginate-cellulose-LDH Zn/Al-carbon nanotubes for water removal from biofuel

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📚 Inorganic Chemistry Communications 180, 114986, 2025

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232

Kinetic study of molybdenum extraction from spent catalysts using citric acid

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📚 Transition Metal Chemistry 50 (6), 1101-1108, 2025

2025

233

Separation of nickel and cobalt from nitrate leaching solutions of laterite ore by solvent extraction using trihexyltetradecylphosphonium bis (2, 4, 4-trimethyl pentyl) phosphinate

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👨‍🔬 APT Yuda, D Avista, W Astuti, HTBM Petrus

📚 E3S Web of Conferences 503, 06007, 2024

2024

234

Characteristics and performance of cerium extraction from cerium hydroxide concentrate using Tri butyl phosphate

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📚 Int J Technol 15, 1308, 2024

2024

235

Pengaruh parameter operasi terhadap persentase rekoveri litium dari sea water reverse osmosis (SWRO)

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📚 Jurnal Rekayasa Proses, 2023

2023

236

Kinetika Proses Ekstraksi Katalis Bekas Ni/γ–Al2O3 dengan Pelarut Asam Sulfat: Model Shrinking Core dan Model Lump

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📚 JST (Jurnal Sains dan Teknologi) 12 (3), 739-747, 2023

2023

237

Kinetics study of low-grade ilmenite fusion process using sodium hydroxide: Non-isothermal condition with model-free methods

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👨‍🔬 YI Supriyatna, W Astuti, S Sumardi, A Prasetya, HTBM Petrus, EN Dida

📚 Materials Today: Proceedings, 2023

2023

238

Studi Recovery Tembaga pada Proses Froth Flotation dari Bijih Tembaga Papua, Indonesia dengan Variasi pH dan Konsentrasi Kolektor

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📚 Seminar Nasional Teknik Kimia" Kejuangan", G8. 1-G8. 4, 2023

2023

239

Lithium Extraction from Geothermal Brine Using Electrodialysis Method

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📚 IOP Conference Series: Earth and Environmental Science 1233 (1), 012018, 2023

2023

240

Precipitation of Rare Earth Element from Indonesian Coal Fly Ash Using Sodium Sulfate

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👨‍🔬 ID Tajayani, S Sutijan, S Sarto, HTBM Petrus, W Astuti

📚 Materials Science Forum 1093, 105-112, 2023

2023

241

The effect of TEOS precursor and CTAB addition in the synthesis of magnetic mesoporous silica nanoparticles for drug delivery

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👨‍🔬 ED Oktaviani, HTBM Petrus, Y Kusumastuti

📚 AIP Conference Proceedings 2623 (1), 020018, 2023

2023

242

Efek pre-roasting terhadap parameter kinetika leaching Cr dari limonit

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📚 REACTOR: Journal of Research on Chemistry and Engineering 4 (2), 39-46, 2023

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243

Corrigendum to Green geopolymer cement with dry activator from geothermal sludge and sodium hydroxide [J. Clean. Prod., vol. 293, 15 April 2021, 126143]

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📚 Journal of Cleaner Production 344, 131034, 2022

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Gold Adsorption from Pregnant Thiocyanate Solution Using Activated Carbon

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📚 Materials Science Forum 1057, 98-106, 2022

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245

Effect of Fly Ash (FA) Characteristic on Geopolymer Product Quality

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📚 international conference on Mediterranean Geosciences Union, 95-98, 2022

2022

246

Preparation of Fluorescent Nanoparticles Based on Natural Silica for Bioimaging

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👨‍🔬 SNA Jenie, SH Fransiska, Y Kusumastuti, HTBM Petrus, A Kristiani

2021

247

Preliminary Study of WebGIS Implementation on Monitoring and Evaluation of the Regional Action Plan for Reduction and Elimination of Mercury Use (RAD-PPM)

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👨‍🔬 EK Perbawati, TH Purwanto, HTBM Petrus, WY Santoso

📚 Proceeding ISETH (International Summit on Science, Technology, and Humanity …, 2021

2021

248

Synthesis of solid activator for geopolymer product from fly ash and sodium hydroxide

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📚 AIP Conference Proceedings 2338 (1), 040006, 2021

2021

249

Desain Taguchi untuk Optimasi Pengambilan Logam Tanah Jarang dari Tailing Pasir Zirkon Menggunakan Metode Presipitasi Asam Oksalat: Pengaruh pH dan Suhu Taguchi Design for …

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📚 PROSIDING Seminar Geologi Nuklir dan Sumber Daya Tambang, 2019

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250

Turbine Generator efficiency analysis in Geothermal Power Plant PT Geodipa Energi Unit Dieng

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📚 Conference SENATIK STT Adisutjipto Yogyakarta 5, 247-254, 2019

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251

Geopolymerization Kinetics of Fly Ash using Isoconversional Kinetics

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👨‍🔬 AS Adelizar, HTBM Petrus, M Olvianas, A Widiyatmoko

📚 Proceedings Book, 2018

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252

Characterization and acid leaching of spent hydroprocessing catalyst for valuable metal recovery

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👨‍🔬 MP Dewi, N Okibe, H Petrus

📚 14th International Symposium on East Asian Resources Recycling Technology …, 2017

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253

Simultaneous Hydrolysis and Fermentation of Sweet Sorghum Varieties (FS501 and KCS105) into Bioethanol Using Saccharomyces steineri – A Kinetics Study

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📚 Engineering Journal 21 (7), 105-121, 2017

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254

Nickel Laterite Reduction Using Bioreductor from Coconut Shell Charcoal: An Approach to Create Zero Carbon Cycle in Nickel Pig Iron (NPI) Production

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👨‍🔬 E Sugiarto, H Ilhami, ADP Putera, H Petrus

📚 International Engineering Student Paper Contest, Universitas Indonesia, Jakarta, 2016

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255

Potential Source Of Rare Earth Elements (Ree) From Sangatta Coal, Kutai Basin, Indonesia

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📚 The Society for Organic Petrology (TSOP), 2015

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256

Seleksi Bakteri untuk Bioleaching Litium dari Baterai Ion Litium Bekas

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👨‍🔬 M Hartono, DP Sari, HTBM Petrus, H Sulistyo, W Budhijanto

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257

The Influence Of Calcination On Property And Performance Of Mesoporous Silica From Geothermal Sludge As A Drug Delivery System

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📚 Journal of Applied Science and Engineering 29 (5), 1211-1222, 2026

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258

Towards targeted Escherichia coli fluorescence biosensor using quantum dots decorated geothermal silica nanoparticles

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📚 Journal of Materials Chemistry B, 2026

2026

259

EFFECTS OF CITRIC ACID-ASSISTED PH ADJUSTMENT ON THE PURITY AND MORPHOLOGY OF SILICA NANOPARTICLES SYNTHESIZED FROM GEOTHERMAL SLAG.

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📚 Rasayan Journal of Chemistry 19 (1), 525, 2026

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260

Increasing humic acid recovery by H2O2 oxidation of subbituminous coal from Sumatera, Indonesia

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📚 AIP Conference Proceedings 3337 (1), 040060, 2026

2026

261

Kinetics of Laterite Ore Reduction Using Low-Rank Coal and Palm Oil Empty Fruit Bunch (EFB) Biochar

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👨‍🔬 M Fahrurrozi, HTBM Petrus, AR Anjani, M Khikmah, G Prameswara, ...

📚 JOM, 1-13, 2026

2026

262

Studi Kinetika Kristalisasi Nikel Sulfat Heksahidrat Dari MHP Baterai NMC dengan Metode Evaporative Crystallization

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👨‍🔬 DH Kinanti, I Perdana, HTBM Petrus

📚 SINERGI 1 (1), 407-412, 2026

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263

Synthesis and structural characterization of iron oxide nanoparticles: Effect of precipitating agents

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📚 AIP Conference Proceedings 3380 (1), 080003, 2026

2026

264

The ZVI formation by indigenous bacteria from red mud

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📚 AIP Conference Proceedings 3380 (1), 030001, 2026

2026

265

Iron bio reduction by indigenous bacteria from red mud

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📚 AIP Conference Proceedings 3380 (1), 030002, 2026

2026

266

Study comparative extraction of gallium from red mud using alkali fusion-water leaching and acid leaching

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👨‍🔬 JS Dewi, W Astuti, E Handini, F Anggara, HTBM Petrus

📚 AIP Conference Proceedings 3380 (1), 020007, 2026

2026

267

Extraction of scandium from red mud Indonesian obtained alkali fusion-acid leaching

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📚 AIP Conference Proceedings 3380 (1), 020006, 2026

2026

268

Surfactant-Enhanced Leaching of Gallium from Red Mud Waste: Toward a Sustainable and Economically Viable Extraction Process: Dewi, Sujoto, Astuti, Handini, Anggara, Mulyono …

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📚 JOM, 1-15, 2026

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269

Performance of SBA-15 catalysts derived from geothermal sludge in sorbitol Hydrodeoxygenation

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👨‍🔬 FT Pratiwi, P Mumtaz, K Amri, HTBM Petrus, MD Solikhah

📚 Materials Letters, 140419, 2026

2026

270

Bioreduction of Red Mud with Two Stages (Bacteriology-Phytoreduction) to Synthesize" Bio-Derived Iron-Based Nanoparticle (BDINP)"

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📚 Waste and Biomass Valorization, 1-20, 2026

2026

271

Organic petrological and geochemical controls on critical element distribution in peat influenced by rhyolitic basement rocks from the Sebangau Peatland, Central Kalimantan: An …

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📚 International Journal of Coal Geology, 104992, 2026

2026

272

Surfactant-driven atmospheric leaching of cobalt from limonitic lateritic ore: CTAB effects and kinetic modeling

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📚 Sustainable Chemistry for Climate Action, 100201, 2026

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273

Kinetic modeling of humic acid extraction from oxidized low-rank coal

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📚 AIP Conference Proceedings 3374 (1), 030015, 2026

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274

Valorization of spent alkaline battery for the development of carbon dots-decorated ZnO as photocatalyst and supercapacitor material

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📚 Next Materials 11, 101792, 2026

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275

Sustainable Synthesis of Amorphous Silica from Geothermal Slag Using Citric Acid and Microwave Irradiation

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📚 Circular Economy and Sustainability 6 (2), 148, 2026

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276

Recent Progress on Rare Earth Element Extraction from Ion-Adsorption Clay Deposit: A Systematic Literature Review

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📚 Circular Economy and Sustainability 6 (2), 194, 2026

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277

Strategic assessment of lithium iron phosphate in the global energy transition: Supply chain dynamics and future competitiveness

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📚 Mineral Economics, 1-20, 2026

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278

Direct electrochemical reduction of red mud to metallic iron in alkaline media with process performance and preliminary techno-economic assessment

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👨‍🔬 FMH Siagian, VSH Sujoto, MSA Pradipta, P Mulyono, F Anggara, W Astuti, ...

📚 Chemical Papers, 1-15, 2026

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Sustainable synthesis and optimization of geothermal silica reinforced sodium carboxymethylcellulose (CMCNa)-based hydrogels with enhanced swelling performance

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2026

280

Hydrometallurgical Recovery and Complexation of Zn and Mn from Spent Batteries for Micronutrient Fertilizer Development: Leaching Optimization and Characterization

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📚 JOM 78 (5), 4246-4261, 2026

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281

Utilizing the Potential of Solid Waste (Fly Ash and Bottom Ash) from Sumatera's Coal Power Plants for Innovative Geopolymer Concrete

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📚 Periodica Polytechnica Chemical Engineering, 2026

2026

282

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283

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284

Comprehensive Kinetic, Thermodynamic, and Response Surface Analysis of Selective Neodymium Leaching from Slag–Residue Bauxite Using Sulfuric Acid

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285

Effect of ore characteristics on the extraction recovery of gold in the Carbon in Leach (CIL): geometallurgical approach on gold processing

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286

Prioritization of risks associated with mining permit restrictions in Indonesia’s new capital region: analytic hierarcy process and fuzzy-analytic hierarcy process approach

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287

Corrigendum to “Exploring the feasibility of nanocomposites from solid waste materials for acid mine drainage remediation: A comprehensive scientific review”[Total Environment …

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288

Dual-function valorisation of low-grade fly ash via zeolitization for environmental remediation and concrete enhancement

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289

Oxalic acid-assisted sol-gel engineered NiO/CaO-ZrO2 dual-functional materials for high-capacity CO2 capture and complete methanation

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290

Thermal reduction of graphene oxide in ambient atmosphere for enhanced electrochemical performance on the electrode in a supercapacitor

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📚 Next Materials 12, 102290, 2026

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291

From Source to Crystallization: REE Distribution in Southeast Asian Tin Belt Magmas

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292

Optimization of precipitation of rare earth elements from zircon tailings using Ammonia estimated using response surface methodology (RSM)

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293

Application of Palm Solid Waste Ash as A Ceramic Glazing Material

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294

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295

Design of an RSM-optimized magnetic–fluorescent nanoprobe utilizing geothermal silica for enhanced bacterial sensing

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📚 Nanoscale 17 (47), 27495-27505, 2025

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296

Selective Reduction of Nickel Limonite using Empty Fruit Bunch Char dan Low Rank Coal Char

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📚 The Society for Organic Petrology (TSOP), 2025

2025

297

Techno-Economic and Sustainable Evaluation on the Production of Potassium Humate from Low-Rank Coal

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298

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299

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300

Enhanced swelling hydrogel of cellulose by adding fly ash

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301

Optimizing carbon bio-sequestration and biomass yield of setaria grass for net-zero goals in karst ecosystems

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302

Bioleaching of manganese from spent lithium-ion batteries using a bacterial isolate indigenous to mining area in South Lampung

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📚 AIP Conference Proceedings 3309 (1), 030003, 2025

2025

303

Sustainable Lithium Recovery Using Li/Al LDHs Synthesized from Aluminium Multi-Layer Plastic Waste: A Resource Upcycling Approach

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2025

304

Nickel and Scandium-Bearing Minerals Associated with Limonitic Laterite Zone of the Lameruru Deposit in Southeast Sulawesi, Indonesia.

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305

Waste minimization in the poultry industry through Black Soldier Fly larvae cultivation to improve the bio-conversion

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306

Synthesis of nickel manganese cobalt precursor from spent catalyst and manganese ore using solid-state method for lithium-ion battery cathode

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📚 Mineral Processing and Extractive Metallurgy 134 (3), 167-177, 2025

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307

Fe Removal Strategy from Morowali Laterite Pregnant Leach Solution: Optimization and Kinetic Study

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📚 Transactions of the Indian Institute of Metals 78 (9), 226, 2025

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308

Synthesis and Characterization of Silica‐Doped Oil Palm Empty Fruit Bunch‐Derived Activated Carbon With Immersion Time Variation for High‐Performance Battery Anodes

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📚 ChemistrySelect 10 (36), e04302, 2025

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309

Leaching Co(II), Mo(VI), and Al(III) Ions from Spent Catalyst Co-Mo/γ-Al2O3 using Organic Acid.

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📚 ASEAN Journal of Chemical Engineering 25 (3), 2025

2025

310

Controlled Electrochemical Synthesis of High-Purity Stannous Sulphate (SnSO4) Microparticles via Nafion 115-Assisted Membrane Separation

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📚 Sustainable Chemistry for Climate Action, 100112, 2025

2025

311

Preparation and Application of Silica Catalyst from Geothermal Sludge for Sago Starch Hydrolysis

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📚 Waste and Biomass Valorization, 1-12, 2025

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312

The Utilization of Pyrolyzed Palm Oil Bunch for Limonitic Laterite Ore Reduction Followed by Magnetic Separation

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📚 Journal of Sustainable Metallurgy 11 (4), 4557-4574, 2025

2025

313

Bacteria isolation as a bioremediation agent of mercury contamination from ASGM soil waste

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📚 IOP Conference Series: Earth and Environmental Science 1571 (1), 012011, 2025

2025

314

Synthesis of nanoclay from Sidoarjo mud volcano by sonication method: particle breakage kinetics and mechanism

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📚 Chemical Papers, 1-14, 2025

2025

315

Separation of cerium from rare earth elements hydroxide using dilute nitric acid and potassium permanganate

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📚 Canadian Metallurgical Quarterly, 1-8, 2025

2025

316

Enhanced modified Magnetite Bentonite-CaO/FeCl3 from solid waste for highly efficient Methylene blue removal

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📚 Global NEST Journal 26 (4), 2025

2025

317

Pengaruh Konsentrasi Larutan Natrium Silikat Hasil Pengolahan Limbah Coal Fly Ash dan Laju Alir Gas CO2 untuk Proses Carbon Capture

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318

Low-Grade Ilmenite Leaching Kinetics Using Hydrochloric Acid: RSM and SCM Approaches

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📚 Indonesian Journal of Chemistry, 2024

2024

319

Electrocoagulation in Wastewater from Spent-Batteries Recycling

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📚 Indonesian Journal of Chemistry, 2024

2024

320

Pengaruh Konsentrasi NaBH4 dan Penambahan Surfaktan Sodium Dodecyl Sulfate (SDS) dalam Sintesis Nanopartikel Perak sebagai Material Antibakteri

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📚 Jurnal Rekayasa Proses 18 (1), 65–73-65–73, 2024

2024

321

Electrolised oxidised water using rainwater synthesis as an environmentally friendly disinfectant

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📚 International Journal of Hydrology Science and Technology 18 (4), 445-458, 2024

2024

322

The Effect Of Time, Frother And Collector Concentration On The Purification Of Ruwai Galena Ore Via Agitated Froth Flotation: A Comparative Study With Column Flotation

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📚 Journal of Applied Science and Engineering 28 (7), 1571-1580, 2024

2024

323

2034 Leaching Characteristic of Cerium and Yttrium from Non-magnetic Solid Waste Coal Fly Ash after Silicate Digestion using Acetic Acid

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📚 Journal of the Southern African Institute of Mining and Metallurgy 124 (10), 2024

2024

324

One Part Method for Making Geopolymer Paste using Flocculated Sidoarjo Mud

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📚 Archives of Metallurgy and Materials 69 (4), 1401-1406, 2024

2024

325

Optimization of banten ilmenite leaching using hydrochloric acid

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📚 AIP Conference Proceedings 3073 (1), 060002, 2024

2024

326

Ruwai Galena Ore Purification Through Column Flotation Process

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📚 Transactions of the Indian Institute of Metals 77 (8), 2063-2071, 2024

2024

327

Concentrating and Rejecting Lithium Ion Using Forward and Reverse Electro-nanofiltration

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📚 ASEAN Journal of Process Control 3 (1), 1-6, 2024

2024

328

Utilization Of Spent Catalyst Ni/γ-Al_2O_3 In Nickel Oxalate Synthesis: Effect Of pH

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📚 淡江理工學刊 27 (11), 3445-3454, 2024

2024

329

Effect of pH on lithium extraction from geothermal brine using nanofiltration membrane

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📚 AIP Conference Proceedings 3213 (1), 020002, 2024

2024

330

Recent advances in acid mine drainage treatment through hybrid technology: Comprehensive review of scientific literature

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📚 Environmental Nanotechnology, Monitoring and Management 21, 100945, 2024

2024

331

Pengaruh Kondisi Operasi Proses Pemekatan Litium Dari Geothermal Brine Sintetis Dengan Metode Direct Contact Membrane Distillation (DCMD)

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📚 Jurnal Rekayasa Proses, 2023

2023

332

Sintesis Copper-Nanoparticles dari Limbah Leaching Kalkopirit Sebagai Zat Antibakteri dengan Metode Reduksi

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📚 Seminar Nasional Teknik Kimia" Kejuangan", H2. 1-H2. 4, 2023

2023

333

The Effect of Sonication Time for Synthesis of Magnetic Mesoporous Nanosilica using Cetyltrimethylammonium Bromide (CTAB) as Surfactant-Template

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📚 Materials Science Forum 1093, 63-68, 2023

2023

334

Precipitation of Rare Earth Elements from Indonesian Coal Fly Ash Using Sodium Sulfate

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📚 Symposium of Life Sciences, Materials, and Applied Chemistry, 151, 2023

2023

335

Development of Small-Scale Charcoal Briquettes and Natural Dyes Production Units to Implement Zero-Waste System through Utilizing Mangrove Forests

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📚 AIJR Proceedings, 120-127, 2023

2023

336

Dissolution of Rare Earth Elements Concentrate from Xenotime Sand with Strong Acids

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📚 Symposium of Life Sciences, Materials, and Applied Chemistry, 165, 2023

2023

337

Modelling of Nano Silica Formation from Geothermal Silica Using Co-Precipitation Method

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📚 Symposium of Life Sciences, Materials, and Applied Chemistry, 239, 2023

2023

338

Green geopolymer cement with dry activator from geothermal sludge and sodium hydroxide (vol 15, 126143, 2021)

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📚 JOURNAL OF CLEANER PRODUCTION 344, 2022

2022

339

Characteristics and Potential Concentration of Cenospheres in Fly Ash from Tanjung Jati B Combustion Power Plant, Jepara, Central Java, Indonesia

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👨‍🔬 RD Ulhaq, F Anggara, HTBM Petrus

📚 international conference on Mediterranean Geosciences Union, 99-102, 2022

2022

340

Prarancangan Pabrik Nano Silika dari Silika Geothermal dengan Kapasitas 3.000 Ton/Tahun

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📚 Universitas Gadjah Mada, 2021

2021

341

Pengaruh Kondisi Operasi Proses Pemekatan Geothermal Brine menggunakan Forward Osmosis (FO) dengan Larutan Natrium Klorida Sebagai Draw Solution

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📚 Universitas Gadjah Mada, 2021

2021

342

Ore characterization of LSE gold deposit in “X” Pit, Toka Tindung Project, North Sulawesi

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📚 IOP Conference Series: Earth and Environmental Science 851 (1), 012043, 2021

2021

343

Optimization of removal impurities from Fe element in concentrate rare earth elements sulfate coal of fly ash with Response Surface Methodology (RSM)

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📚 AIP Conference Proceedings 2338 (1), 030005, 2021

2021

344

The Composition of Fly Ash and Bottom Ash (FABA) from Indonesian Coal Power Plant: A Case Study from Batam

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📚 international conference on Mediterranean Geosciences Union, 149-153, 2021

2021

345

Characteristics of Coal Fly Ash and Bottom Ash-based Geopolymers in Unfavorable Environment

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📚 Jurnal Teknik Kimia Indonesia 19 (2), 52-61, 2020

2020

346

Effect of Temperature and pH on Lanthanum Precipitation from Spent Catalysts Using Oxalic Acid

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📚 The 13th AUN/SEED-Net Regional Conference on Chemical Engineering 2020 …, 2020

2020

347

Pembuatan Glukosa dan Sukrosa dari Rumput Laut dengan Metode Hidrolisa Menggunakan Katalis SiO2

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📚 Prosiding Seminar Nasional Sains dan Teknologi Terapan 1 (1), 487-492, 2020

2020

348

Optimization Model on the Effect of Clove Oil, Formaldehyde, and Chitosan Added to Batik Fabric Colored with Gambier (Uncaria gambir Roxb): Antifungal Properties and Stability …

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2020

349

Simulation of Cement Mill to Predict and Mitigate the Over-Heat Phenomenon: an Approach to Optimize the Energy Consumption in Cement Industry

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👨‍🔬 HTBM Petrus, J Kristanto, KC Wanta, A Prasetya

📚 International Series on Interdisciplinary Science and Technology 4 (2), 221-225, 2019

2019

350

Prarancangan Pabrik Lithium Karbonat dari Limbah Baterai dengan Kapasitas 17.900 ton/tahun

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👨‍🔬 RA PATANGKE, HTBM Petrus, D Eng

📚 Universitas Gadjah Mada, 2019

2019

351

Comparative Characterization of Chitosan/Gelatin/Geothermal Silica Biocomposites in Two-Dimensional Film and Three-Dimensional Scaffold Forms

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📚 IOP Conference Series: Materials Science and Engineering 543 (1), 012028, 2019

2019

352

Pengaruh Suhu dan pH pada Presipitasi Elemen Berharga dari Larutan Leaching Low Grade Nikel Laterit Ore dengan menggunakan Pengendap Kalsium Karbonat

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📚 Seminar Nasional Teknik Kimia" Kejuangan", A3-A3, 2019

2019

353

The composition and mode of occurence of rare earth elements and yttrium in fly and bottom ash from coal-fired power plants in Java, Indonesia

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👨‍🔬 F Anggara, DAA Bestari, W Rosita, HTBM Petrus

📚 The Society for Organic Petrology (TSOP), 2018

2018

354

Enrichment of Rare-Earth Elements and Yttrium in Kalimantan Coal Ash

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👨‍🔬 F Anggara, SAW Kevin, B Rahmat, SSR Susilawati, DH Amijaya, ...

2018

355

BENEFISIASI PUPUK UREA DAN ZEOLIT MENJADI PUPUK GRANUL SLOW RELEASE

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2017

356

Au Grade of Epithermal Gold Ore at Paningkaban ASGM, Banyumas District, Central Java Province, Indonesia

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👨‍🔬 R Ernawati, A Idrus, H Petrus

📚 UNEJ e-Proceeding, 184-187, 2016

2016

357

Effect of oxidized surface of tennantite and chalcopyrite on Diethyl Dithiophosphate (DTP) adsorption and the kinetics; observed using UV-Vis Spectroscopy

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📚 CHEMECA (2015: Melbourne, Vic.), 1866-1872, 2015

2015

358

SI DOEL (Donat Tiwoel): Inovasi Pengenalan Dan Pengembangan Tiwul Sebagai Makanan Pokok Khas YOGYAKARTA

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📚 Prosiding Elektronik Pekan Ilmiah Mahasiswa Nasional Program Kreativitas …, 2014

2014

359

Performance of dry separation processes in cenospheres recovery from coal fly ash

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📚 25th International Mineral Processing Congress 2010, IMPC 2010, 3863-3871, 2010

2010

360

湿式選別法を用いた石炭燃焼灰からの中空球形粒子の回収

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📚 Journal of MMIJ 124 (12), 878-884, 2008

2008

361

Rhodamine Extraction from Sawdust Waste of Switenia Mahagoni and Shorea sp. and Extraction Design Parameters Determination

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👨‍🔬 E Rahayuningsih, H Petrus, L Lastiningsih, S Pertiwi

📚 Chemeca, 2007

2007

362

Extraction of Bixin Natural Dye from bixa orellana I.

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👨‍🔬 E Rahayuningsih, H Petrus, DD Permana, H Setyono

📚 Departemen Teknik Kimia FT UGM, 2007

2007

363

Enzymatic cleaning of PES ultrafiltration membrane fouled by single and binary protein mixtures

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👨‍🔬 HTBM Petrus

📚 UNSW Sydney, 2006

2006

364

Prarancangan Pabrik Logam Tanah Jarang dari Abu Pembakaran Batubara dengan Kapasitas 125 ton/tahun

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👨‍🔬 LZ Chusaini, HTBM Petrus, D Eng

365

Kinetics Study of Yttrium Leaching from Zircon Tailings Using Sulfuric Acid Harry Supriadi1, Iga Trisnawati2, Tri Handini1, Sri Rinanti Susilowati1

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366

Prarancangan Pabrik Titanium Hidrat dari Ilmenit dengan Kapasitas Produksi 65.000 Ton/Tahun

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👨‍🔬 MAJI WIBOWO, HTBM Petrus, D Eng

367

Study on separation of tennantite from arseno copper ore using flotation

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