Pengaruh Sodium Sulfat (Na2SO4) dan Temperatur Roasting Terhadap Pemulihan Mineral Besi dari Red Mud dengan Menggunakan Metode Reduction Roasting - Magnetic Separation = The Influence of Sodium Sulfate (Na2SO4) and Roasting Temperature on The Recovery of Iron Mineral from Red Mud Using the Reduction Roasting - Magnetic Separation Method

Peningkatan kadar dan rasio mangan pada bijih mangan lokal kadar rendah melalui proses benefisiasi dengan variabel temperatur pada reduction roasting = The enhancement of manganese grade and its ratio from local low grade manganese ore through beneficiation process with the variation of temperature on reduction roasting process

Peningkatan kadar mangan dan rasio mangan/besi dari bijih mangan kadar rendah lokal melalui proses benefisiasi dengan vasriasi waktu reductio roasting = Enhancement of mn fe ratio from local low grade manganese ore through beneficiation with reduction roasting time as a variant

Studi pengaruh kadar karbon pada proses pemurnian timah dari terak timah dengan metode roasting pelindian selektif dan electrowinning = Study of effect of carbon used in tin recovery process from tin slags with roasting method selective leaching and electrowinning

Peningkatan kadar dan rasio pasir kromit kadar rendah melalui proses benefisiasi dengan variabel temperatur dan waktu reduction roasting = Enhancement of low grade chromite sand through beneficiation process with the variation of temperature and time on reduction roasting