Purification of rutile

Details Purification of rutile Purification of rutile

1979-02-22

1980-09-30

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423 69, 423 82, 423610, C01G 2304

Patent

active

042255643

ABSTRACT:
Rutile, which has been obtained by precipitation from a hydrogen chloride solution will contain a relatively large amount of residual chlorine containing compounds such as the various forms of titanium chloride. These residual chlorine containing compounds may be removed in an economical way by treating the rutile with hydrogen peroxide in an acidic solution at relatively low temperatures to substantially reduce the chloride content of the product.

REFERENCES:
patent: 3337300 (1967-08-01), Hughes
patent: 3803287 (1974-04-01), Fukushima et al.
patent: 3950489 (1976-04-01), Fukushima
patent: 4081507 (1978-03-01), Dunn
patent: 4083946 (1978-04-01), Schun et al.
Schumb et al., "Hydrogen Peroxide," Reinhold Pub. Corp., N. Y. 1955, pp. 396, 397, 588.

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