Process for purifying a titanium-bearing material and upgrading

Details Process for purifying a titanium-bearing material and upgrading Process for purifying a titanium-bearing material and upgrading

1977-09-06

1978-10-17

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 24, 75 97R, 75116, 423 69, 423170, 423554, 423555, C22B 106, C22B 704

Patent

active

041206940

ABSTRACT:
A process for removing impurities from an oxide of titanium-bearing material such as a titania slag by treating the material with SO.sub.3 gas and subsequently leaching with a liquid. In particular a process for upgrading an ilmenite ore by preparing a titania slag therefrom and purifying the slag such that it may be used as a synthetic rutile suitable for use in a fluidized-bed chlorination reactor to produce titanium tetrachloride which can be reoxidized to TiO.sub.2.

REFERENCES:
patent: 1819770 (1931-08-01), D'Ans
patent: 1820455 (1931-08-01), Hooey
patent: 1964747 (1934-07-01), Sweet et al.
patent: 2098050 (1937-11-01), McBerty
patent: 2804384 (1957-08-01), Armant
patent: 2818347 (1957-12-01), Brickenkamp
patent: 2919982 (1960-01-01), Fetterolf

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