Recovery of chlorine values

Details Recovery of chlorine values Recovery of chlorine values

1979-05-15

1981-01-13

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

423493, 423633, 423148, C01G 4910

Patent

active

042449294

ABSTRACT:
The invention relates to the recovery of chlorine values as ferric chloride from iron chloride dust which is obtained as a by-product from the chlorination of a titaniferous material containing more than 5% by weight iron oxide, such as ilmenite. The method comprises heating the iron chloride dust to a temperature above 275.degree. C. in the presence of chlorine and iron oxide and recovering the ferric chloride volatilized from the iron chloride dust together with the ferric chloride obtained from ferrous chloride present in the iron chloride dust by reaction with the chlorine and ferric chloride obtained from other metal chloride contaminants by reaction with the iron oxide.

REFERENCES:
patent: 3067005 (1962-12-01), Nelson
patent: 3244509 (1966-04-01), Nowak et al.
patent: 4055621 (1977-10-01), Okudaira
patent: 4060584 (1977-11-01), Hartmann
patent: 4140746 (1979-02-01), Turner
Othmer, "Halogen Affinities-A New Ordering of Metals to Accomplish Difficult Separations", AICHE Journal, vol. 18, No. 1, Jan. 1972, pp. 217-220.

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