Efficient, safe method for decoppering copper refinery electroly

Details Efficient, safe method for decoppering copper refinery electroly Efficient, safe method for decoppering copper refinery electroly

1985-03-28

1985-12-24

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204108, C25C 112

Patent

active

045604533

ABSTRACT:
The present invention is directed toward a method for removing copper from solutions containing arsenic and antimony and in which the copper concentration in the solution is sufficiently low whereby arsine and stibine would normally be generated if the solution was subject to electrolysis. According to the practice of the present invention, copper is recovered from such solutions by contacting said solutions with a fuel fed catalytic porous structure whereby the copper is deposited on said structure without the reduction of the arsenic and antimony in said copper-containing solution to arsine and stibine.

REFERENCES:
patent: 4385970 (1983-05-01), Skopp et al.
patent: 4474654 (1984-10-01), Hyvarinen

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