Nickel-cobalt separation

Details Nickel-cobalt separation Nickel-cobalt separation

1974-02-08

1976-01-20

Vertiz, Oscar R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

423145, 423150, 75119, 75 5A, C01G 5100, C01G 5300

Patent

active

039339769

ABSTRACT:
A method is provided for enriching nickel in a nickel-cobalt solution to a nickel-to-cobalt ratio of over 2000:1, wherein an aliquot portion of the solution is removed, the nickel precipitated from said aliquot portion in the nickelous state, the nickelous precipitate thereafter oxidized to the nickelic state and the oxidized nickel precipitate then mixed with the remaining nickel-cobalt solution to oxidize the cobalt therein to the cobaltic state which precipitates from the solution, thereby highly enriching the solution in nickel.

REFERENCES:
patent: 446495 (1892-01-01), Herrenschmidt
patent: 2415665 (1947-02-01), Wallis et al.
patent: 2793936 (1957-05-01), Voos
patent: 3489664 (1970-01-01), Popat et al.
patent: 3751558 (1973-08-01), Crnojevich et al.
patent: 3806591 (1974-04-01), Lever et al.

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