Process for removing chemisorbed and interstitial chlorine and c

Details Process for removing chemisorbed and interstitial chlorine and c Process for removing chemisorbed and interstitial chlorine and c

1975-10-03

1978-03-28

Stern, Edward

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423 69, 423610, 165 1, 423DIG16, C01G 2304, C01B 3102, F28D 1300

Patent

active

040815072

ABSTRACT:
This invention relates to a process for removing hydrogen chloride, chlorine, chlorides, oxychlorides and metal chlorides from a beneficiate produced by contacting a titaniferous ore with chlorine at high temperatures preferably in the presence of carbon wherein the beneficiate mixed with carbon is contacted at temperatures of about 1000.degree. C. with steam, moist air or moist inert gas. The beneficiate which is essentially titanium dioxide is useful as a starting material for the manufacture of titanium dioxide pigments.

REFERENCES:
patent: 1967235 (1934-07-01), Ferkel
patent: 2657976 (1953-11-01), Rowe et al.
patent: 2852362 (1958-09-01), Daubenspeck et al.
patent: 2990249 (1961-06-01), Wagner
patent: 3803287 (1974-04-01), Fukushima
patent: 3950489 (1976-04-01), Fukushima
patent: 3960203 (1976-06-01), Dunn, Jr.

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