Method of producing titanium oxides

Details Method of producing titanium oxides Method of producing titanium oxides

1989-11-20

1991-04-30

Morris, Theodore

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423 84, 423608, 423612, C01G 23047

Patent

active

050116746

ABSTRACT:
There is provided a method of producing titanium-oxides which comprises: admixing an aqueous solution of titanium tetrachloride with sulfuric acid in amounts of at least 0.5 times is moles as the titanium tetrachloride; adding an alkali 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: 3442678 (1969-05-01), Ross
patent: 3929962 (1975-12-01), Shiah
patent: 4021533 (1977-05-01), Piccolo et al.
patent: 4061596 (1977-12-01), Matsushita et al.
patent: 4069295 (1978-01-01), Sugahara et al.
patent: 4359449 (1982-11-01), Hard et al.

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