Characterization of Iron Removal Process Products from Atmospheric Lateritic Ore Leaching solution by Using 20% and 25% Calcium Carbonate = Karakterisasi produk proses pembuangan besi dari Larutan Pelindihan Atmosferik Bijih Nikel menggunakan 20% dan 25% Kalsium Karbonat

Pengaruh ph pada proses pengurangan kandungan besi dua tahap terhadap larutan hasil lindi nikel limonit dengan kalsium karbonat pada temperatur 70°c = Effect of ph in two-stage iron removal process on nickel lateritic leach solution with calcium carbonate at temperature of 70°c.

Pengaruh Penambahan Variasi Konsentrasi 5, 10, dan 15 wt.% Reduktor Berbahan Waste Printed Circuit Board Pada Proses Karbotermik Bijih Nikel Limonit Dengan Temperatur Reduksi 1100 oC. = Effect of Waste Printed Circuit Board Addition as a Reducing Agent for Nickel Limonite Ore Carbothermic Reduction with Concentration Variation of 5, 10, and 15% wt.% at 1100 oC.

Pengaruh penggunaan reduktor karbon berbahan residu hasil pirolisis (arang) limbah printed circuit board dengan variasi 5, 10, dan 15 wt.% pada proses karbotermik bijih nikel Indonesia = The effect of using waste printed circuit board pyrolysis residue (charcoal) as carbon reductor to Indonesian nickel ore carbothermic process with concentration variation 5, 10, and 15 wt.%

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