Hydrometallurgy for Copper Concentrates?

CIM Bulletin, 1973

JOHN DASHER, Principal Engineer, Mining and Metals . Division, Bechtel Corporation, San Francisco, Calif., U.S.A.

The analyses reported on in this paper indicate that there are hydrometallurgical routes from sulphide concentrates to copper that are potentially competitive with smelters which are not permitted to emit sulphur oxides. The various hydrometallurgical processes, and their economics, are discussed.
Keywords: Acid, chalcopyrite, copper, hydrometallurgy, solvent extraction, sulphur, Concentrate, Concentrates, copper, Cost, Costs, Iron, oxidation, Processes