Studies on reduction characteristics of limonite and effect of sodium sulphate on the selective reduction to nickel

F Bahfie, A Manaf, W Astuti, F Nurjaman - Journal of The Institution of …, 2021 - Springer
The selective reduction process is the process to separate nickel and iron on limonite with
the combination of magnetic separation. This process uses sodium sulphate as the additive …

Studies of carbon percentage variation and mixing Saprolite-Limonite in selective reduction

F Bahfie, A Manaf, W Astuti, F Nurjaman… - Materials Today …, 2022 - Elsevier
The mixing way of 2 type laterite makes them useful for extraction and no bounding between
saprolite and limonite in the roasting process which has problem in impurities. The optimum …

Study effect of Na2SO4 dosage and graphite on the selective reduction of saprolite from nickel grade, recovery, and iron-nickel grain size

F Bahfie, A Manaf, W Astuti, F Nurjaman… - AIP Conference …, 2021 - pubs.aip.org
The selective reduction of nickel and adequate growth of ferronickel grains is imperative for
efficient preparation of ferronickel from nickeliferous laterite ore via the process of direct …

SWOT analysis (strengths, weaknesses, opportunities, threats) of nickel to reach global electric battery market in Indonesia

H Haryadi, T Suseno, U Herlina… - Mineral Processing …, 2024 - journals.sagepub.com
In 2025, it is projected that global sales of battery-based electric cars (electric vehicle [EV])
will reach 145 million units, exceeding those of fuel vehicle-based cars (internal combustion …

Studies effect of carbon percentage variation in thermal upgrading of mixing saprolite-limonite

U Herlina, F Bahfie, W Astuti, F Nurjaman… - AIP Conference …, 2024 - pubs.aip.org
Thermal upgrading is the part of selective reduction process which is for nickel extraction
with holding temperature in low (300-500℃) before reduction process. The mixing way of …

Effect of addition elemental Sulfur as additive in the selective reduction process of limonite nickel ore with the presents of sodium sulfate

A Pratama, R Ananda, F Nurjaman… - IOP Conference …, 2021 - iopscience.iop.org
High temperatures in the smelting nickel ore increases the energy costs. The use of sulphur
or sulphate as additives can optimize the reduction process at low temperatures through the …

Study of graphite stoichiometry effect on the selective reduction of saprolite to percentage, recovery, and microstructure of nickel

F Bahfie, A Manaf, W Astuti, F Nurjaman… - AIP Conference …, 2023 - pubs.aip.org
The selective reduction process and magnetic separation are the combination processes for
separating nickel and iron. This process uses the addition of Na2SO4 and graphite. Those …