Recovery of titanium metal values

Details Recovery of titanium metal values Recovery of titanium metal values

1978-07-31

1979-11-20

Carter, Herbert T.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 1T, 75114, 423 82, 423 83, 423 85, 423 86, 423140, 423156, C21B 1500, C01G 2304

Patent

active

041749634

ABSTRACT:
Titanium metal values may be recovered from titanium and iron bearing sources such as an ilmenite ore by subjecting the source to an oxidation treatment and 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 and recovered. The amount of titanium dioxide which is recovered is determined by the amount of reductant utilized in the reductive roast.

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patent: 3236596 (1966-02-01), Zimgilil et al.
patent: 3457037 (1969-07-01), Aramendia et al.
patent: 3825419 (1974-07-01), Chim
patent: 3859077 (1975-01-01), Othmer
patent: 3875286 (1975-04-01), Robinson et al.
patent: 3897537 (1975-07-01), Robinson et al.
patent: 3903239 (1975-09-01), Berkovich
patent: 3929962 (1975-12-01), Shiah

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