Penggunaan bahan bakar antrasit dan campuran antrasit-kokas pada proses sinter bijih nikel saprolit = Utilization of anthracite fuel and anthracite-coke fuel mixture in the sintering process of nickel saprolite

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

Pengaruh kokas dalam proses reduksi bijih mangan lokal kadar menengah pada submerged arc furnace menjadi ferromangan = Effect of coke in the local medium grade of manganese ore reduction process into ferromanganese with submerged arc furnace

Pengaruh Penambahan Aditif Campuran Sodium Sulfat-Asam Borat pada Proses Reduksi Selektif Bijih Nikel Laterit Jenis Saprolit = Effect of Sodium Sulfate-Boric Acid Mixture Additive on The Selective Reduction Process of Saprolitic Nickel Laterite Ore

Pengaruh Penambahan Aditif Campuran Sodium Sulfat-Asam Borat pada Proses Reduksi Selektif Bijih Nikel Laterit Jenis Saprolit = Effect of Sodium Sulfate-Boric Acid Mixture Additive on The Selective Reduction Process of Saprolitic Nickel Laterite Ore