Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1980-03-28
1981-07-14
Ozaki, G.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75109, 75119, 423140, 423143, 423463, C22B 2304
Patent
active
042784638
ABSTRACT:
Cobalt is recovered from byproduct streams from a basic process by contacting the byproduct streams with aluminum metal for a sufficient period of time to produce cobalt metal as a precipitate. The basic process is the type wherein cobalt ions in solution are complexed with ammonia in the presence of halide ions to form an ammine halide solution from which a cobalt containing precipitate is separated. The precipitate is subsequently reduced to form a cobalt metal powder.
REFERENCES:
patent: 1963893 (1934-06-01), Drouilly
patent: 2879137 (1959-03-01), Bare et al.
patent: 3579327 (1971-05-01), Hasegawa et al.
patent: 3810967 (1974-05-01), Takasu et al.
patent: 3928530 (1975-12-01), Bakker et al.
patent: 4108640 (1978-08-01), Wallace et al.
patent: 4184868 (1980-01-01), Ritsko et al.
Gingerich Richard G. W.
MacInnis Martin B.
McClintic Robert P.
Vanderpool Clarence D.
GTE Products Corporation
Ozaki G.
Walter Robert E.
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