PROCESS FOR PURIFYING 1,1,1-TRIFLUORO-2,2-DICHLOROETHANE FROM ISOMER 1,1,2-TRIFLUORO-1,2-DICHLOROETHANE

摘要

Chromium oxide on its own or supported with a gas mixture containing 1,1,1-trifluoro-2,2-dichloroethane and 1,1,2-trifluoro-1,2-dichloroethane and from 180 to 400 Contact in the temperature range of RTI ID = 0.0 C / RTI reduces or eliminates the latter from the former.