Recovery of titanium metal values

Details Recovery of titanium metal values Recovery of titanium metal values

1978-07-31

1980-04-08

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

75 1T, 75101R, 75114, 423 85, 423 86, C01G 2302, C01G 2300

Patent

active

041972767

ABSTRACT:
Titanium metal values may be recovered from iron and titanium bearing sources such as an ilmenite ore by subjecting the source to a reductive roast after having crushed the source to a desired particle size. The reduced source is then leached by treatment with a halogen-containing compound to form soluble titanium halides and iron halides. Thereafter, the soluble titanium halide is precipitated as titanium dioxide by treatment with an iron oxide such as ferric oxide. The desired titanium dioxide or rutile may be recovered without an appreciable loss by effecting the leach step of the process in such a manner so that the solution potential is not greater than about +150 millivolts.

REFERENCES:
patent: 2088913 (1937-08-01), Llewellyn
patent: 3236596 (1966-02-01), Ziriglel et al.
patent: 3529931 (1970-09-01), Moklebust
patent: 3787139 (1974-01-01), Uster
patent: 3929962 (1975-12-01), Shiah
patent: 3977862 (1976-08-01), Glaeser
patent: 4019898 (1977-04-01), Chen et al.

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