Process for manufacturing titanium compounds

Details Process for manufacturing titanium compounds Process for manufacturing titanium compounds

1980-05-30

1981-09-08

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423 83, 423 85, 423 86, 75 1T, C01G 23053, C01G 2300

Patent

active

042884160

ABSTRACT:
A process is provided for the manufacture of titanium compounds and particularly titanium dioxide wherein excess titaniferous bearing material is reacted with dilute sulfuric acid having a concentration of between about 25% and about 60% by weight at a temperature below about 140.degree. C. Thereafter, the titanium sulphate may be recovered or processed to provide titanium dioxide hydrate accompanied by recycling the spent acid for reaction with the titaniferous bearing material charged to the process. The titanium hydrate may be calcined to provide titanium dioxide pigment.

REFERENCES:
patent: 1338473 (1920-04-01), Wrigley et al.
patent: 1504669 (1924-08-01), Blumenfeld
patent: 1504670 (1924-08-01), Blumenfeld
patent: 1504671 (1924-08-01), Blumenfeld
patent: 2617724 (1952-11-01), Espenschied
patent: 3071439 (1963-01-01), Solomka
patent: 3647414 (1972-03-01), Nilsen
patent: 3760058 (1973-09-01), Langmesser et al.
patent: 3784670 (1974-01-01), Yamada et al.

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