Method for separating hydrogen chloride and hydrogen bromide

Details Method for separating hydrogen chloride and hydrogen bromide Method for separating hydrogen chloride and hydrogen bromide

1979-08-07

1981-03-03

Thomas, Earl C.

Chemistry of inorganic compounds

Halogen or compound thereof

Binary compound containing metal

423240, 423481, 423488, 423499, C01B 707, C01B 709

Patent

active

042540925

ABSTRACT:
A method of separating HBr from a mixture of HBr/HCl using the difference in the stability to heat of the amine hydrohalides thereof. A mixture of HBr/HCl is treated with a solution of an amine and the HCl is split off, by the action of heat, from the amine hydrochlorides in the resulting mixture of amine hydrochlorides and amine hydrobromides, and the HBr is then recovered from the residual amine hydrobromides with the aid of a base and optionally recovered.

REFERENCES:
patent: 3406204 (1968-10-01), Bathellier et al.
patent: 3536593 (1970-10-01), Horley et al.
patent: 4115530 (1978-09-01), Coenen et al.
Hickinbottom, "Reactions of Organic Compounds", Longmans, Green & Co., New York, pp. 400, 401, 416 & 417.

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