Process for isomerization of hydrochlorofluorocarbons

Details Process for isomerization of hydrochlorofluorocarbons Process for isomerization of hydrochlorofluorocarbons

C - Chemistry, Metallurgy

07

C

260/658.1

C07C 17/00 (2006.01) B01J 27/12 (2006.01) B01J 27/125 (2006.01) C01F 7/50 (2006.01) C07C 17/358 (2006.01) C07C 19/08 (2006.01)

Patent

CA 2039430

ABSTRACT OF THE DISCLOSURE Disclosed is a process for isomerization of hydrochloro- fluorocarbons such as hydrochlorofluoroethane, to more stable isomers using a fluorinated alumina catalyst. The catalyst has the formula: AlFxOy (wherein x/y is more than 0 and not more than 2/3) and is obtained by calcining Al2O3?nH2O (where n is 0 to 3) containing fibrils of polytetrafluoroethylene at a temperature of at least 400°C. The catalyst has a high isomeriza- tion catalytic activity and a long life.

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