Oxyhalogenation process using catalyst having porous rare...

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 17/15 (2006.01) B01J 23/10 (2006.01) B01J 23/72 (2006.01) B01J 27/06 (2006.01) B01J 27/08 (2006.01) B01J 27/10 (2006.01) B01J 27/122 (2006.01) C07C 17/152 (2006.01) C07C 17/154 (2006.01) C07C 17/156 (2006.01) C07C 17/158 (2006.01) C07C 17/25 (2006.01) C07C 17/38 (2006.01) C07C 19/045 (2006.01) B01J 23/83 (2006.01) B01J 35/10 (2006.01) B01J 37/03 (2006.01) B01J 37/22 (2006.01)

Patent

CA 2391321

An oxidative halogenation process involving contacting a hydrocarbon, for example, ethylene, or a halogenated hydrocarbon with a source of halogen, such as hydrogen chloride, and a source of oxygen in the presence of a catalyst so as to form a halocarbon, preferably a chlorocarbon, having a greater number of halogen substituents than the starting hydrocarbon or halogenated hydrocarbon, for example, 1, 2-dichloroethane. The catalyst is a novel composition comprising copper dispersed on a porous rare earth halide support, preferably, a porous rare earth chloride support. A catalyst precursor composition comprising copper dispersed on a porous rare earth oxyhalide support is disclosed. Use of the porous rare earth halide and oxyhalide as support materials for catalytic components is disclosed.

L'invention porte sur un procédé d'halogénation oxydative consistant à mettre en contact un hydrocarbure, tel que l'éthylène, ou un hydrocarbure halogéné avec une source d'halogène, tel que le chlorure d'halogène, et une source d'oxygène en présence d'un catalyseur afin de former un hydrocarbure halogéné, de préférence un hydrocarbone chloré, dont le nombre de substituants de l'halogène est supérieur à l'hydrocarbure de départ ou à l'hydrocarbure halogéné, par exemple, 1, 2-dichloroéthane. Le catalyseur est une nouvelle composition comprenant du cuivre dispersé sur un support poreux d'halogénure des terres rares, de préférence un support poreux de chlorure des terres rares. Une composition de précurseur de catalyseur comprenant du cuivre dispersé sur un support poreux d'oxyhalogénure des terres rares est également décrite, de même que l'utilisation comme matériaux de support de l'halogénure et de l'oxyhalogénure poreux des terres rares dans des composants catalytiques.

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