Purification of pentafluoroethane

Details Purification of pentafluoroethane Purification of pentafluoroethane

C - Chemistry, Metallurgy

07

C

C07C 19/08 (2006.01) C07C 17/395 (2006.01)

Patent

CA 2140670

Process for the removal of chlorine-containing impurities, for example chloropentafluoroethane, and/or hydrofluoroal- kane impurities, for example 1,1,1,2-tetrafluoroethane, from pentafluoroethane which comprises contacting the impure pentaflu- oroethane with hydrogen at elevated temperature, for example 350-600 °C, in the presence of a hydrogenation catalyst, for exam- ple palladium-on-carbon, to convert the impurity or impurities to a hydrofluoroalkane and/or a hydrocarbon.

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