Method of producing high purity aluminum chloride

Details Method of producing high purity aluminum chloride Method of producing high purity aluminum chloride

1977-02-03

1978-01-24

Stern, Edward

Chemistry of inorganic compounds

Halogen or compound thereof

Binary compound containing metal

423136, 423137, 423496, 55 30, 55 71, 55 82, 423DIG16, C01F 758, C01F 762

Patent

active

040704483

ABSTRACT:
Recovery of high purity aluminum chloride is achieved by use of a series of condensers wherein the first condenser is operated at a high temperature of 80.degree.-110.degree. C to insure minimum condensation of other metal chlorides such as titanium chloride, silicon chloride, or the like, while a second condenser operates at a much lower temperature of from 20.degree.-50.degree. C to trap all impurities while reducing the chloride losses to a minimum. The product of the first condenser may then be used as a feed for the electrolytic reduction of aluminum chloride to metallic aluminum.

REFERENCES:
patent: 2607440 (1952-08-01), Lewis
patent: 3786135 (1974-01-01), King et al.
patent: 3930800 (1976-01-01), Schoener et al.
patent: 3956455 (1976-05-01), King et al.

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