Extraction of copper from an ammoniacal copper solution

Details Extraction of copper from an ammoniacal copper solution Extraction of copper from an ammoniacal copper solution

1981-02-20

1982-09-21

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

252182, C01G 300

Patent

active

043506674

ABSTRACT:
Copper can be extracted from an ammoniacal copper solution by contacting said solution with an organic phase containing a first extraction reagent consisting of a beta-diketone as well as a second extraction reagent consisting of a hydroxy oxime, a hydroxy quinoline, or an alkylaryl sulphonamido quinoline. Alternatively, the copper solution can first be contacted with an organic phase containing the first extraction agent, and subsequently be contacted with an organic phase containing the second extraction reagent. It is possible to reach a low percentage of copper in the aqueous solution by using a low number of extraction steps.

REFERENCES:
patent: 3988151 (1976-10-01), Skarbo
patent: 4083758 (1978-04-01), Hamby
patent: 4100163 (1978-07-01), Virnig
patent: 4128493 (1978-12-01), MacKay
patent: 4173616 (1979-11-01), Koenders
patent: 4175012 (1979-11-01), MacKay
patent: 4205048 (1980-05-01), Kyung
patent: 4252621 (1981-02-01), Reinhardt
patent: 4258016 (1981-03-01), Siemens
Flett et al., Hydrometallurgy, vol. 4, (1979), pp. 135-146.

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