Method for purifying TiO.sub.2 ore by alternate leaching with an

Details Method for purifying TiO.sub.2 ore by alternate leaching with an Method for purifying TiO.sub.2 ore by alternate leaching with an

1990-12-27

1992-02-04

Morris, Theodore

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423 84, 423 85, 423610, 423 69, 423 86, C22B 3410

Patent

active

050858378

ABSTRACT:
Process for purifying TiO.sub.2 ore consisting essentially of subjecting the ore to two or more leaching treatments, said leaching treatments alternating between use of an aqueous solution of a mineral acid and an aqueous solution of an alkali metal compound selected from the group consisting essentially of alkali metal carbonates, hydroxides or mixtures thereof.

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