PROCESS FOR REDUCING COPPER-BEARING MATERIALS

摘要

A PROCESS FOR REDUCING COPPER-BEARING MATERIALS 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.