Selective recovery of nickel and cobalt or copper and zinc from

Details Selective recovery of nickel and cobalt or copper and zinc from Selective recovery of nickel and cobalt or copper and zinc from

1977-05-12

1978-10-31

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75101BE, 75119, C22B 1508, C22B 1922

Patent

active

041232607

ABSTRACT:
A process for separately recovering nickel and cobalt from solution includes adjusting the pH of the solution to a value between about 3 and about 6, and then contacting the solution with a chelating ion exchange resin having aminocarboxylic acid functional groups to selectively load nickel onto the resin to produce a nickel loaded resin and a nickel depleted cobalt containing solution. The process is also applicable to the separate recovery of copper and zinc from solution.

REFERENCES:
patent: 2954276 (1960-09-01), Hazen
patent: 3929598 (1975-12-01), Stern et al.
patent: 3933975 (1976-01-01), Nikolic et al.
patent: 4042665 (1977-08-01), Hatch

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