Process for making titanium dioxide concentrates

Details Process for making titanium dioxide concentrates Process for making titanium dioxide concentrates

1983-02-24

1985-05-14

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423 76, 423 79, 75 1T, C01G 2307, C01G 2308

Patent

active

045171637

ABSTRACT:
The disclosure relates to a process for making titanium dioxide concentrates from material containing titanium oxide and iron oxides. More particularly, the titanium oxide-containing material is calcined at temperatures of 870.degree. to 1300.degree. C., and then treated with a chlorine-containing gas at temperatures of 800.degree. to 1300.degree. C., if desired with addition of carbon.

REFERENCES:
patent: 1845342 (1932-02-01), Saklatwalla
patent: 2184884 (1939-12-01), Muskat et al.
patent: 2184885 (1939-12-01), Muskat et al.
patent: 2852362 (1958-09-01), Daubenspeck et al.
patent: 2933373 (1960-04-01), Love et al.
patent: 3159454 (1964-12-01), Wilcox
patent: 3803287 (1974-04-01), Fukushima et al.
patent: 3870506 (1975-03-01), Robinson et al.

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