1. A novel method: Nickel and cobalt extraction from citric acid leaching solution of nickel laterite ores using oxalate precipitation. (January 2023) Authors: Astuti, Widi; Nurjaman, Fajar; Rofiek Mufakhir, Fika; Sumardi, Slamet; Avista, Dira; Cleary Wanta, Kevin; Tri Bayu Murti Petrus, Himawan Journal: Minerals engineering Issue: Volume 191(2023) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Effect of addition elemental Sulfur as additive in the selective reduction process of limonite nickel ore with the presents of sodium sulfate. Issue 1 (February 2021) Authors: Pratama, Adiyaksa; Ananda, Rizky; Nurjaman, Fajar; Ferdian, Deni; Suharno, Bambang Journal: IOP conference series Issue: Volume 1034:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Effect of slag basicity in ferromanganese production using medium-grade manganese ore from East Java-Indonesia. Issue 2 (3rd April 2018) Authors: Nurjaman, Fajar; Saputra, Eka Bobby; Ferdian, Deni; Suharno, Bambang Journal: Mineral processing and extractive metallurgy Issue: Volume 127:Issue 2(2018) Page Start: 121 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Ferromanganese production from the mixture of medium-grade and low-grade Indonesian manganese ore. Issue 2 (3rd April 2018) Authors: Nurjaman, Fajar; Saputra, Hendri; Astuti, Widi; Ferdian, Deni; Suharno, Bambang Journal: Advances in materials and processing technologies Issue: Volume 4:Issue 2(2018) Page Start: 296 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Kinetics on roasting reduction of limonitic laterite ore using coconut-charcoal and anthracite reductants. (1st March 2019) Authors: Petrus, Himawan Tri Bayu Murti; Putera, Andreas Diga Pratama; Sugiarto, Edi; Perdana, Indra; Warmada, I Wayan; Nurjaman, Fajar; Astuti, Widi; Mursito, Anggoro Tri Journal: Minerals engineering Issue: Volume 132(2019) Page Start: 126 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Studies of carbon percentage variation and mixing Saprolite-Limonite in selective reduction. (2022) Authors: Bahfie, Fathan; Manaf, Azwar; Astuti, Widi; Nurjaman, Fajar; Prasetyo, Erik Journal: Materials today Issue: Volume 62:Part 6(2022) Page Start: 4156 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Study of magnetoelectrodeposition of lanthanum (III) chloride heptahydrate leached with sulfuric acid. Issue 1 (1st April 2022) Authors: Cahyanegoro, A. G.; Sudibyo, ; Badaruddin, M.; Sugiyanto, ; Nurjaman, Fajar; Supriyatna, Yayat Iman; Prasetyo, Erik Journal: IOP conference series Issue: Volume 1017:Issue 1(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Study of selective reduction in lateritic nickel ore: Saprolite versus limonite. (2021) Authors: Nurjaman, Fajar; Astuti, Widi; Bahfie, Fathan; Suharno, Bambang Journal: Materials today Issue: Volume 44:Part 1(2021) Page Start: 1488 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. The effect of ternary basicity (CaO/(Al2O3+SiO2)) on selective reduction of limonitic nickel ore. (30th September 2022) Authors: Nurjaman, Fajar; Amely, Idecia; Astuti, Widi; Suharno, Bambang Journal: Advances in materials and processing technologies Issue: Volume 8(2022)Supplement 2 Page Start: 763 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗