Pengaruh Jumlah Kandungan Sulfur (2,68 & 5%S) Dalam Reduktor Antrasit Dengan Variasi Jumlah (Stoikiometri 0,0625-0,25) Terhadap Proses Reduksi Selektif Bijih Nikel Laterit Jenis Saprolit = Effect of Sulfur Content in Reductant on Selective Reduction Process of Saprolitic Nickel Ore: at Various Coal Addition of 0.0625, 0.125 and 0.25 of Stoichiometry

Studi pengaruh penambahan batubara pada proses roasting reduction bijih nikel saprolit dan pelindian (leaching) dalam larutan asam sulfat 1 molar = Study of coal addition effect on roasting reduction process of saprolitic nickel ore and leaching in sulfuric acid 1 molar

Reduksi selektif bijih nikel laterit menggunakan reduktor batu bara antrasit dengan variasi aditif natrium sulfat, natrium karbonat, dan natrium klorida = Selective reduction of nickel laterite ores using anthracite coal with variation of sodium sulfate, sodium carbonate, and sodium chloride as reducing additives

Pengaruh reduksi roasting pada bijih nikel saprolit dan perbedaan konsentrasi pada pelindian atmosferik asam sulfat = The effect reduction roasting of nickel using saprolite ore and various concentration of atmospheric sulphuric acid leaching

Pengaruh penambahan reduktor sub - bituminous dan briket kokas kadar 10%,13%, 15%, 20% terhadap produk reaksi karbotermik bijih nikel saprolit = Effect of 10%, 13%, 15%, 20% briquette cokes and sub- bituminous reductor addition on the carbothermic reaction product of saprolite nickel ore