Hydrogenation catalyst and process

Details Hydrogenation catalyst and process Hydrogenation catalyst and process

B - Operations, Transporting

01

J

B01J 23/44 (2006.01) C07C 17/23 (2006.01) C07C 19/08 (2006.01)

Patent

CA 2206337

A hydrogenation catalyst of improved activity and selectivity comprising palladium and platinum in a ratio by weight of 2:1 to 500:1 carried on a support such as carbon and a process for the production of hydrofluorocarbon such as difluoromethane which comprises contacting a (hydro)halofluorocarbon such as chlorodifluoromethane or dichlorodifluoromethane, preferably in the vapour phase, with hydrogen at elevated temperature in the presence of the catalysts.

L'invention porte sur un catalyseur d'hydrogénation amélioré contenant du palladium et du platine dans une proportion en poids de 2:1 à 500:1 sur un support tel que du carbone, et sur un procédé de production d'hydrofluorocarbures tels que le difluorométhane consistant à mettre en contact un (hydro)halofluorocarbure tel que le chlorodifluorométhane ou le dichlorodifluorométhane, de préférence en phase vapeur, avec de l'hydrogène à haute température, en présence dudit catalyseur.

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