Hydrometallurgical recovery of cobalt and nickel

Details Hydrometallurgical recovery of cobalt and nickel Hydrometallurgical recovery of cobalt and nickel

1978-08-07

1980-02-05

Ozaki, G.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

75103, 75 82, 75119, C22B 2300

Patent

active

041872819

ABSTRACT:
Metal values may be recovered from metal bearing sources in a hydrometallurgical process in which a metal bearing source such as an ore and the like is reduced with a reductive roast only or with the presence of at least one additive at temperatures ranging from about 500.degree. to about 900.degree. C. Thereafter the reduced source is subjected to a leach in the presence of a basic leaching agent to extract the desired metals from the source. In the present invention, the basic leaching agent which is employed comprises an ammoniacal ammonium chloride solution.

REFERENCES:
patent: 3734715 (1973-05-01), Redman
patent: 3736125 (1973-05-01), Wilder
patent: 3772423 (1973-11-01), Stevens et al.
patent: 3772424 (1973-11-01), Stevens et al.
patent: 3845189 (1974-10-01), Miller et al.
patent: 3953200 (1976-04-01), Im et al.

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