Process for purifying hydrochloric acid produced from alkali chl

Details Process for purifying hydrochloric acid produced from alkali chl Process for purifying hydrochloric acid produced from alkali chl

1981-04-21

1982-09-14

Thomas, Earl C.

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

423482, C01B 707

Patent

active

043495257

ABSTRACT:
Hydrochloric acid produced by reacting an alkali chloride with sulfuric acid to prepare hydrogen chloride gas, followed by having the gas absorbed in water, contains a slightest amount of Br.sub.2 and other coloring materials as volatile impurities, but such amounts of impurities can be removed according to a purifying process in which the resulting hydrochloric acid is treated with an inert gas or a mixture of an inert gas with oxygen.

REFERENCES:
patent: 2165784 (1939-07-01), Burrage
patent: 2220570 (1940-11-01), Hurt

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