Recovery of tungsten values from alkali tungstate solutions by s

Details Recovery of tungsten values from alkali tungstate solutions by s Recovery of tungsten values from alkali tungstate solutions by s

1981-08-13

1983-02-15

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

75101BE, C01G 4100

Patent

active

043740995

ABSTRACT:
In a two component extraction system for producing ammonium tungstate from aqueous alkali metal tungstate solution, the stripping solution consists essentially of water and from about 5 to about 21 percent by weight ammonium hydroxide at a pH of from about 12 to 13 wherein the stripping is carried out by dispersing the aqueous ammonia solution in the loaded organic extractant.

REFERENCES:
patent: 3158438 (1964-11-01), Kurtak
patent: 3293004 (1966-12-01), Musgrove et al.
patent: 4175109 (1979-11-01), Kim

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