Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Iron group metal
Patent
1983-01-10
1984-08-07
Doll, John
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Iron group metal
423140, 75101R, 75119, 204112, C22B 2304
Patent
active
044643489
ABSTRACT:
Cobalt values are extracted from Co-containing ores or minerals by using an aqueous solution containing a reducing agent (e.g., hydrazine hydrosulfate). The leachant substantially rejects nickel values, thus cobalt is extracted which is substantially free of nickel.
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patent: 4274930 (1981-06-01), Ettel et al.
patent: 4322390 (1982-03-01), Tolley et al.
Cotton, F. Albert and Wilkinson, Geoffrey, Advanced Inorganic Chemistry `A Comprehensive Text`, Interscience Publishers, 1966, pp. 864-865.
Doll John
Lee W. J.
Stoll Robert L.
The Dow Chemical Company
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