C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 34/12 (2006.01) C09C 1/36 (2006.01) C22B 3/10 (2006.01)
Patent
CA 2103056
2103056 9220827 PCTABS00017 Process for beneficiating titanium bearing ore selected from the group consisting essentially of titaniferous ores, leucoxene, rutile, perovskite, and sphene comprising: (a) contacting said ore with an aqueous solution of a mineral acid having a concentration of about 3-30 percent by weight, said contacting taking place at a temperature of about 160-300 ·C, until the desired amount of impurities are solubilized and a leachate is formed; (b) removing the leachate from the product of step (a).
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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