Process for purifying hydrochloric acid produced from alkali...

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

C - Chemistry, Metallurgy

01

B

23/181

C01B 7/07 (2006.01)

Patent

CA 1151841

TITLE OF THE INVENTION Process for purifying hydrochloric acid produced from alkali chloride and sulfuric acid ABSTRACT OF THE DISCLOSURE 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 Br2 and other coloring materials as volatile impurities, but such a slightest amount of impurities can be removed according to the purifying process in which the resulting hydrochloric acid is treated with an inert gas or a mixture of an inert gas with oxygen.

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