Method of purifying hydrogen chloride gas

Details Method of purifying hydrogen chloride gas Method of purifying hydrogen chloride gas

1974-11-25

1977-04-19

Stern, Edward

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

423481, 423503, C01B 708

Patent

active

040188809

ABSTRACT:
The invention concerns a method of purifying hydrogen chloride gas containing small quantities of chlorine. The purifying method comprises passing impure hydrogen chloride over carbon, at a temperature from 30.degree. to 200.degree. C, in the presence of at least one olefin, possibly containing chlorine. The method of the invention applies particularly to the hydrogen chloride obtained from a chloroethane cracking operation initiated by chlorine.

REFERENCES:
patent: 2196246 (1940-04-01), Brown et al.
patent: 3446586 (1969-05-01), Young
B315,397, Jan. 1975, Rideout et al., 423/488 X.
Degering et al. "An Outline of Organic Chem.," Rev. Ed., 1937, p. 29. Barnes & Noble, Inc., N.Y.

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