Process for manufacturing titanium compounds using a reducing ag

Details Process for manufacturing titanium compounds using a reducing ag Process for manufacturing titanium compounds using a reducing ag

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

042884152

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., and in the presence of a reducing agent which affects the reduction of ferric iron to ferrous iron. Thereafter, the titanium sulfate may be recovered or further 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.

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patent: 1504669 (1924-08-01), Blumenfeld
patent: 1504670 (1924-08-01), Blumenfeld
patent: 1504671 (1924-08-01), Blumenfeld
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patent: 2750255 (1956-06-01), Creitz
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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