Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group vib metal
Patent
1981-08-13
1983-04-05
Carter, Herbert T.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group vib metal
75101BE, 423593, 423DIG14, 4236585, C01G 4100
Patent
active
043791263
ABSTRACT:
In a continuous process for producing ammonium tungstate from aqueous alkali metal tungstate solution according to an extraction process, the loaded organic extractant is cleaned after stripping by contacting with activated carbon for improving phase separation and decreasing the concentration of alkali metal.
REFERENCES:
patent: 3158438 (1964-11-01), Kurtak
patent: 3357821 (1967-12-01), Henrickson
patent: 4175109 (1979-11-01), Kim
Ritcey et al., "Proceedings of the International Solvent Extraction Conference", Lyon, 1974, Soo. of Chemical Industry, London, 1974, pp. 943-968.
Kim Tai K.
MacInnis Martin B.
Ritsko Joseph E.
Vogt Martin C.
Carter Herbert T.
GTE Products Corporation
Walter Robert E.
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