Copper recovery from sulfate solutions containing nickel and cob

Details Copper recovery from sulfate solutions containing nickel and cob Copper recovery from sulfate solutions containing nickel and cob

1977-10-07

1978-10-03

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75117, 75119, 423 35, 423145, C22B 1512, C22B 2304

Patent

active

041182219

ABSTRACT:
Copper is separated from nickel present therewith in a sulfate solution by neutralizing to precipitate all the copper and some nickel as basic compounds, and thereafter reducing the copper in the basic compounds to elemental form through formation of cuprous sulfite and thermal dissociation of the latter.

REFERENCES:
patent: 1278854 (1918-09-01), Christensen
patent: 3573896 (1971-04-01), Hori
patent: 3684489 (1972-08-01), Emicke et al.
patent: 3744994 (1973-07-01), Emicke et al.
patent: 4067952 (1978-01-01), Pittie et al.

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