Method of producing titanium oxides

Details Method of producing titanium oxides Method of producing titanium oxides

1991-02-12

1992-12-08

Morris, Theodore

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423608, 423612, 423 84, 423 82, 423615, 423616, 502309, C01G 23047

Patent

active

051696193

ABSTRACT:
There is provided a method of producing titanium oxides which comprises: admixing an aqueous solution of titanium tetrachloride with sulfuric acid in a molar ratio of sulfuric acid to titanium tetrachloride of at least 0.5 adding an alklai to the resultant solution to produce titanium hydroxide; and drying and calcining the titanium hydroxide. A further method is provided which comprises: adding a solution of an alkali to an aqueous solution of titanium tetrachloride having a concentration of not more than 2.5 moles/l at temperatures of not less than 50.degree. C., thereby to substantially thermally hydrolyze the titanium tetrachloride and to produce titanium hydroxide; and drying and calcining the titanium hydroxide.

REFERENCES:
patent: 1223356 (1917-04-01), Barton
patent: 3929962 (1975-12-01), Shiah
patent: 4021533 (1977-05-01), Piccolo et al.
patent: 4061596 (1977-12-01), Matsushita
patent: 4069295 (1978-01-01), Sugahara et al.
patent: 4359449 (1982-11-01), Hard et al.

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