The attention of mining industry has directed towards the processing of complex arsenic-
bearing minerals due to a decrease in the traditional base metal reserves. Arsenic present in …

Custom copper smelters impose substantial financial penalties for the presence of
deleterious impurity elements in copper concentrates and can outright reject concentrates …

The traditional scheme of metals extraction from minerals involves some processes of
mechanical character ameliorating the accesibility of the valuable component by the …

Globally, the primary production of antimony is now isolated to a few countries and is
dominated by China. As such it is currently deemed a critical and strategic material for …

Hydrometallurgical processes offer a great potential for treating chalcopyrite ores and
concentrates, and it results in increased metal recoveries and reduced air pollution hazards …

Removal of impurity elements in copper metallurgy is one of the major problems
encountered today since pure copper ore reserves are becoming exhausted and the …

This review paper is devoted to application of mechanochemistry in extractive metallurgy,
crystal engineering, materials engineering, coal industry, building industry, agriculture …

Copper sulfides are generally treated by flotation followed by smelting. However, concerns
over air pollution have made governments tighten their regulations regarding the emission …

Leaching of enargite samples containing approximately 12% As, 0.5% Sb and 39% Cu was
studied in alkaline sulphide solutions containing sodium hydroxide and sodium sulphide …

The present study investigates the dissolution kinetics of tetrahedrite in aqueous alkaline
sodium sulphide solutions. Effect of reaction temperature, mineral particle size, sodium …