Process for the separation of cis- and...

Details Process for the separation of cis- and... Process for the separation of cis- and...

C - Chemistry, Metallurgy

07

C

260/661.1

C07C 17/08 (2006.01) C07C 19/05 (2006.01)

Patent

CA 1051929

ABSTRACT Methylchloroform is prepared by reacting ethy- lene and hydrogen chloride in the presence of AlCl3 to producc ethyl chloride, which is then reacted with Cl2 and ethyl chloroform at 400-550°C; this reaction mix- ture is cooled to produce a gaseous fraction and a liquid fraction; a minor portion of the liquid fraction is re- turned to the cooling zone and the remainder ie mixed with the gaseous fraction and hydrochlorinated to form low boiling materials and polychlorinated ethanes; the low boiling materials are removed, and then sequentially there are separated 1,1-dichloroethane, cis- and trans- -1,2-dichloroethylenes and methylchloroform.

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