Copper catalysts and their production

Details Copper catalysts and their production Copper catalysts and their production

B - Operations, Transporting

01

J

252/1.G, 260/660

B01J 23/00 (2006.01) C07C 17/152 (2006.01) C07C 45/33 (2006.01)

Patent

CA 1150220

ABSTRACT Redox catalysts comprise copper chemically bonded to the support. They may include divalent palla- dium as a redox couple for the copper which should be mainly divalent. The copper on surfaces of the catalyst may be substantially monovalent. They may be made by evaporating to dryness onto a support containing the copper a solution providing the redox couple. The support containing copper may be made by ion exchange. Activation is achieved by heating for half to 4 hours, preferably in the presence of moisture vapour at the end of the heating. The catalysts can be used in smoking products or filters for the oxidation of carbon monoxide.

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