Process for beneficiating titaniferous materials

Details Process for beneficiating titaniferous materials Process for beneficiating titaniferous materials

1981-02-05

1982-03-23

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423 86, 75 1T, C01G 2302

Patent

active

043212360

ABSTRACT:
An improved process for beneficiating titaniferous material whereby formation of fines during leaching of the titaniferous material is minimized. The titaniferous material and mineral acid reactants each are heated to an elevated temperature prior to admixing in the leaching operation. The heated reactants then are admixed in a leaching zone and further heated to a leaching temperature of from about 110.degree. C. to about 150.degree. C. The preheating causes at least a portion of the acid-soluble titanium values in the titaniferous material to be hydrolyzed upon dissolution and to form an acid-insoluble precipitate. At least a portion of the precipitate is caused to deposit upon the titaniferous material such that fines or slime formation in the leach liquor is minimized. The leaching is continued for a sufficient time to dissolve most of the acid-soluble impurities contained in the titaniferous material. The solid residue remaining in the leaching zone is recovered as the beneficiated product.

REFERENCES:
patent: 1889027 (1932-11-01), Washburn
patent: 1977208 (1934-10-01), Saklatwalla
patent: 3193376 (1965-07-01), Lo
patent: 3660078 (1972-05-01), Yamada et al.
patent: 4019898 (1977-04-01), Chen et al.
Barksdale, "Titanium", The Ronald Press Co., N.Y., 1966, pp. 237-238.

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