Granulometric control of nickel sulfide precipitate

Details Granulometric control of nickel sulfide precipitate Granulometric control of nickel sulfide precipitate

1983-12-02

1985-10-15

Doll, John

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

423140, 423566, C01G 5300

Patent

active

045473471

ABSTRACT:
A process wherein nickel in an aqueous stream is recovered as nickel sulfide by precipitation in an autoclave with pressurized hydrogen sulfide in the presence of a large quantity of recycled fine nickel sulfide seed material is improved when operated under continuous conditions by introducing into the autoclave a small, controlled quantity of supplemental seed material designed to maintain the seed surface area within required limits.

REFERENCES:
patent: 4110400 (1978-08-01), Jha et al.

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