Selective precipitation of nickel and cobalt sulfides from acidi

Details Selective precipitation of nickel and cobalt sulfides from acidi Selective precipitation of nickel and cobalt sulfides from acidi

1977-08-01

1978-08-29

Hearn, Brian

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

423566, C01G 5300

Patent

active

041104005

ABSTRACT:
A method for efficiently precipitating nickel sulfide from an acidic nickel sulfate solution having a pH between 1.5 and 4, containing about 1 to 40 gpl nickel, optionally containing cobalt, and containing sufficient inert soluble sulfate salt to buffer the solution during the precipitation of nickel sulfide at relatively low temperature and pressure.

REFERENCES:
patent: 2020325 (1935-11-01), Myhren
patent: 2872306 (1959-02-01), Morrow
patent: 3367740 (1968-02-01), Zubryckyj et al.
patent: 3991159 (1976-11-01), Queneau et al.
patent: 4024218 (1977-05-01), McKay et al.
Wadsworth; M. et al., Editors, Unit Processes in Hydrometallurgy, Gordon and Breach, Science Publishers, N.Y., 1964, pp. 600-608.
Boldt et al., Editors, The Winning of Nickel, Longmans Canada Ltd., Toronto, 1967, pp. 437-449.

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