Process for purifying 1,1,1,2-tetrafluoroethane

Details Process for purifying 1,1,1,2-tetrafluoroethane Process for purifying 1,1,1,2-tetrafluoroethane

C - Chemistry, Metallurgy

07

C

260/658.1

C07C 17/38 (2006.01) C07C 17/389 (2006.01) C07C 19/08 (2006.01)

Patent

CA 2008544

PROCESS FOR PURIFYING 1,1,1,2-TETRAFLUOROETHANE ABSTRACT R-1122 (2-chloro-1,1 difluoro-ethylene) can be substantially removed from a stream of R-134a over a zeolite or carbon mo1ecular sieve having a mean pore size of about 3.8 to 4.8 Angstroms. Preferred are 5A synthetic zeolites or calcium chabazite.

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