Hydrometallurgy for Copper Concentrates?

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
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