Process for the hydrogenation of chloromethanes

Details Process for the hydrogenation of chloromethanes Process for the hydrogenation of chloromethanes

C - Chemistry, Metallurgy

07

C

C07C 19/03 (2006.01) B01J 31/02 (2006.01) B01J 31/18 (2006.01) C07C 17/00 (2006.01) C07C 17/23 (2006.01)

Patent

CA 2073746

A process is provided for the hydrogenation of chloromethanes of the formula CHnClm, where n = 0 to 3 and m = 4-n, with hydrogen at a temperature of 150 to 250°C and under an absolute pressure of 1 to 10 bar, by means of a supported catalyst comprising an activated charcoal support with a BET surface-area of more than 500 m2/g, 0.5 to 20% by weight of copper in elemental or chemically bonded form and 0.01 to 1.0% by weight of rhodium or palladium in elemental or chemically bonded form, and with 0.1 to 10.0% by weight of a water-soluble phosphonium halide.

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