B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/117, 260/658
B01J 21/04 (2006.01) B01J 31/02 (2006.01) B01J 37/22 (2006.01) C07C 2/86 (2006.01) C07C 5/23 (2006.01) C07C 11/02 (2006.01) C07C 17/20 (2006.01) C07C 19/08 (2006.01)
Patent
CA 2034848
ABSTRACT Z/QM 35584Z A CATALYST FOR HALOGEN EXCHANGE IN HALOHYDROCARBONS AND FOR ACID/BASE REACTIONS A catalyst for halogen exchange in halohydrocarbons or for acid/base reactions comprising a halogenated gamma-alumina having a hydrocarbonaceous or halohydrocarbonaceous material laid down thereon. The catalyst is prepared by halogenating gamma-alumina with SF4, SOF2, COF3 COCl3 or CCl4 and conditioning the halogenated alumina with a gaseous olefin or a halohydrocarbon to lay down a hydrocarbonaceous or a halohydrocarbonaceous material on its surface. The catalyst is useful for producing fluorohydrocarbons or chlorofluorohydrocarbons by reacting HF with halohydrocarbons under mild conditions.
Thomson James
Webb Geoffrey
Winfield John M.
Barlow Charles Brian
Imperial Chemical Industries Plc
Thomson James
Webb Geoffrey
Winfield John M.
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