Catalysts for oxychlorination of ethylene to 1,2-dichlorethane

Details Catalysts for oxychlorination of ethylene to 1,2-dichlorethane Catalysts for oxychlorination of ethylene to 1,2-dichlorethane

B - Operations, Transporting

01

J

B01J 23/72 (2006.01) B01J 21/10 (2006.01) B01J 37/02 (2006.01)

Patent

CA 2528264

Catalysts for oxychlorination of ethylene to 1,2-dichlorethane, comprising compounds of copper and magnesium supported on gamma alumina, wherein the copper, expressed as metal, is present in a quantity from 7 to 12% by weight and the Mg/Cu ratio is from 0.05 to 1, characterized in that the distribution of copper in the catalyst particle is such that the ratio X/Y between the concentration of the copper atoms on the surface given by the Al/Cu ratio (X) on the surface (20-30 nm layer) and the concentration given by the Al/Cu ratio (Y) referred to the entire particle is greater than 1.3 and can reach 3.

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