Process for the treatment of roasted metal sulphide ores and...

C - Chemistry – Metallurgy – 22 – B

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C22B 3/06 (2006.01) C01G 49/02 (2006.01) C22B 1/02 (2006.01) C22B 3/08 (2006.01) C22B 11/00 (2006.01) C22B 15/00 (2006.01) C22B 19/20 (2006.01)

Patent

CA 2240450

A process for the treatment of a roasted metal sulphide ore, for the separation of metals therefrom. The process comprises leaching the roasted ore with peroxysulphuric acid, and separating a solution containing metals. The process is particularly useful in separating copper and zinc from sulphide ores of those metals.

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