Process for reducing copper-bearing materials

Details Process for reducing copper-bearing materials Process for reducing copper-bearing materials

C - Chemistry, Metallurgy

22

B

53/276

C22B 15/00 (2006.01) C22B 5/14 (2006.01)

Patent

CA 1130571

A PROCESS FOR REDUCING COPPER-BEARING MATERIALS ABSTRACT Copper is recovered from copper-bearing materials such as copper chlorides, copper oxides and copper oxychlorides by intimately contacting the finely divided solid copper salts with hydrogen at a temperature greater than the melting point of elemental copper. Turbulent conditions preferably in the form of a cyclone are used to effect the necessary contact between the copper salts and the hydrogen. Under these conditions, the copper salts are substantially instantaneously reduced to liquid elemental copper.

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