Process for preparation of trichloroethylene

Details Process for preparation of trichloroethylene Process for preparation of trichloroethylene

C - Chemistry, Metallurgy

07

C

260/662.4

C07C 21/10 (2006.01) C07C 17/00 (2006.01)

Patent

CA 1119203

PROCESS FOR PREPARATION OF TRICHLOROETHYLENE ABSTRACT OF THE DISCLOSURE Process for the preparation of trichloroethylene from tetrachloroethylene and hydrogen at an elevated temp- erature by means of a carrier catalyst containing a copper compound and optionally an alkali metal compound, wherein the tetrachloroethylene is reacted at 150°to 250°C and a hydrogen pressure of 1-100 bar in an amount of 0.5 to 5 mol per hour and per liter catalyst mass. The catalyst consists of an activated carbon carrier with over 500m2/g BET-surface, 0.5 to 20% by weight of copper in elemental state or as chemical compound, 0.01 to 1% by weight of palladium as metal or chemical compound, and if desired up to 20% by weight of a member of the group consisting of potassium, rubidium and cesium. Instead of palladium, ruthenium or rhodium may be used in the same amount.

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