Production of steel in East Asia is quite active due to the drastic economic growthof this area and approximately 60%of world crude steel production(over 90
In order to recover Pt and HCl from the hydrochloric acid leaching solution of spentpetroleum catalysts,bench scale Karr reciprocating column was employed i
Waste bottom ash(BA)from coal power plants in Korea was ground to reduce itssize and surface-treated with surfactant to use as filler for polymer/BA composi
Bioleaching provides an alternative for inexpensive,low-energy consumption and being environmentally safe for metal extraction from low grade-ores or scraps
In this paper,the low-grade zinc oxide ore of high alkaline-gangue was treated through cycle leaching method in NH4Cl-NH3-H2O system(namely MACA system).
Low temperature alkaline smelting(LTAS)is an effective cleaner product method in non-ferrous metallurgy,especially in the separation and extraction of compl
The traditional zinc hydrometallurgy process produce a large number of iron-based slags,which also contains a small amount of zinc,copper,indium,germanium a