Process for transferring metal ions using microporous membranes

Process for treating by-products from zinc smelting and the...

Process for treating iron-containing sulfidic rocks and ores

Process for treating liquid containing Au-CN compound

Process for treating manganese nodules

Process for treating metal-contaminated materials

Process for treating molten aluminum with chlorine gas and sulfu

Process for treating spent fluids to recover copper and copper o

Process for treating zinc-laden dust issuing from electric steel

Process for upgrading copper sulphide residues containing nickel

Process for utilizing ferrophosphorus

Process for working up resh or shredder light fractions,...

Process of extracting anions with quaternary amines

Process of introducing a solid addition into a bath of liquid me

Process of making nodular iron and after-treating alloy utilized

Process of recovering copper from ore

Process of regenerating and recovering lead sulphate-containing

Process of treating metal bearing crushed rock to control...

Process to convert non-ferrous metal such as copper or nickel by

Process to increase the bioleaching speed of ores or...