Process for beneficiating titaniferous ores

Details Process for beneficiating titaniferous ores Process for beneficiating titaniferous ores

1975-03-03

1980-07-08

Rutledge, L. Dewayne

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

106300, 423148, 423149, 423610, C01G 2304

Patent

active

042117550

ABSTRACT:
A process for beneficiating titaniferous ores to a product having a lower percentage content of silicates, and other inerts comprising, at temperatures of 900.degree.-1100.degree. C., passing chlorine through a bed comprising (a) a first fraction of particulate titaniferous ore having about 90% of large particles, (b) a second fraction having about 90% small particles and (c) carbon in an amount equal to 10-30%, by weight, of the total titaniferous ore present, and removing freed silicates and inerts and by-product iron chloride thereby consuming (b) with the titanium dioxide values present in (b) being substituted for iron oxide values present in (a). The beneficiated ore is useful as an intermediate for preparing titanium dioxide pigments.

REFERENCES:
patent: 2184884 (1939-12-01), Muskat
patent: 3185563 (1965-05-01), Jones
patent: 3446590 (1969-05-01), Michal
Perry, J. H. Chemical Engineers' Handbook, 4th ed., McGraw Hill, New York, N.Y., pp. 8-46 (1963).

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