Process for separating out hydrogen chloride

Details Process for separating out hydrogen chloride Process for separating out hydrogen chloride

1995-11-29

1997-03-18

Spitzer, Robert

Gas separation: processes

Compressing and indirect cooling of gaseous fluid mixture to...

And solid sorption

95 42, 95117, 95182, 95233, B01D 5314, B01D 4706

Patent

active

056118406

ABSTRACT:
The invention relates to a process for separating out hydrogen chloride from a gas mixture forming in the chlorination of methane, which gas mixture contains unreacted methane, its chlorination products and hydrogen chloride formed in the reaction, by cooling and compression of the gas mixture and subsequent scrubbing with a scrubbing liquid which comprises at least one liquid chlorination product of methane. The gas mixture is separated into a methane-containing gas phase and a liquid phase containing hydrogen chloride and methane chlorination products, and the hydrogen chloride is then desorbed from the liquid phase by heating.

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