Process for applying a catalytically active coating on...

Details Process for applying a catalytically active coating on... Process for applying a catalytically active coating on...

B - Operations, Transporting

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252/1.G

B01J 33/00 (2006.01) B01J 23/42 (2006.01) B01J 23/46 (2006.01) B01J 37/02 (2006.01) B01J 35/08 (2006.01)

Patent

CA 1083122

ABSTRACT OF THE DISCLOSURE The present invention provides a process for applying a coating or film of catalytically active elements by means of solution on the external surface of a porous catalyst support i.e., a catalyst support having a large surface area, character- ized in that the catalyst support is impregnated with a solution of at least one of various complexing agents, precipitants and reducing agents in an organic liquid, without exceeding the saturation of the catalyst supports, the solution of catalytic- ally active elements is then added, the liquid is removed by heating and when required, the catalyst support thus treated is subjected to an aftertreatment which is treatment with a reduc- ing agent or tempering at elevated temperature. The process provides a catalyst of uniform quality without a high loss of active components.

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