Cobalt catalysts for the hydrogenation of nitriles and/or...

Details Cobalt catalysts for the hydrogenation of nitriles and/or... Cobalt catalysts for the hydrogenation of nitriles and/or...

B - Operations, Transporting

01

J

B01J 27/187 (2006.01) B01J 23/75 (2006.01) B01J 27/185 (2006.01) C07C 209/44 (2006.01) C07C 209/48 (2006.01) C07C 211/36 (2006.01)

Patent

CA 2175271

Cobalt catalysts whose catalytically active composition comprises from 55 to 98 % by weight of cobalt, from 0.2 to 15 % by weight of phosphorus, from 0.2 to 1.5 % by weight of manganese and from 0.05 to 5 % by weight of alkali metal, calculated as oxide, are prepared by calcining the catalyst composition, reducing it at final temperatures of from 200 to 400°C in a stream of hydrogen and subsequently surface-oxidizing it by treatment in a stream of air at final temperatures of from 20 to 60°C and can be used in a process for hydrogenating organic nitriles and/or imines.

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