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

Studi pengaruh pengayakan serta kinetika proses pelindian hasil pemanggangan alkali bijih kromit pulau kalimantan menggunakan larutan asam sulfat = Effect of screening and kinetical study of sulfuric acid leaching of alkali roasted borneo chromite ore

Pengaruh sulfidasi selektif terhadap karakteristik pelarutan Ni/Co pada proses pelindian atmosferik bijih nikel laterit dengan asam sulfat = Selective sulphidation effect on characteristics of Ni/Co dissolution in atmospheric leaching of laterite nickel ores with sulfuric acid

Studi pengaruh temperatur dan waktu pelindian pada hasil pelindian asam sulfat terhadap hasil fusi alkali dalam peningkatan kadar nikel dan besi dari terak feronikel sorowako = The effect Of temperature and leaching time Of sulfuric acid leaching on increasing nickel and iron content from ferronickel slag waste after allkaline fusion

Pengaruh konsentrasi lixiviant dan waktu pelindian bijih malasit dengan ammonium bikarbonat = Effect of lixiviant concentration and leaching time malachite ore in ammonium bicarbonate