Process for removal of alumina from aqueous alkali metal chromat

Details Process for removal of alumina from aqueous alkali metal chromat Process for removal of alumina from aqueous alkali metal chromat

1976-10-12

1979-11-06

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423118, 423596, C01G 3714

Patent

active

041736184

ABSTRACT:
Process is provided for removal of alumina from aqueous alkali metal chromate solutions containing the same, which comprises contacting the aqueous solution with a soluble-silica compound under conditions sufficient to effect reaction of alumina with silica for formation of crystalline alkali metal alumino silicate, and removing the crystalline alkali metal alumino silicate from the reaction mixture.

REFERENCES:
patent: 2839359 (1958-06-01), Dunning
patent: 3819800 (1974-06-01), Shaffer et al.
patent: 3890427 (1975-06-01), Dewey et al.
patent: 3899568 (1975-08-01), Frick et al.
Kashiwase et al., "Nippon Kagaku Kaishi" Aug. 1976, No. 8, pp. 1211-1215.

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