Recovery of nickel and cobalt from leach slurries

Details Recovery of nickel and cobalt from leach slurries Recovery of nickel and cobalt from leach slurries

1980-04-04

1981-07-28

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

209167, 75 2, C01G 5100, C01G 5311

Patent

active

042809886

ABSTRACT:
A slurry, such as might be obtained from acid leaching nickeliferous ores having a high iron content, is treated to separate dissolved nickel or cobalt from iron oxide solids. The treatment involves a controlled precipitation of the non-ferrous metal with the aid of calcium sulfide or barium sulfide followed by flotation to recover a high grade concentrate of the non-ferrous metal.

REFERENCES:
patent: 2195724 (1940-04-01), Gaudin
Kirk--Othmer, Encyclopedia of Chemical Technology, 2nd Edition, Interscience, N.Y. 1966, vol. 9, pp. 380-393.

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