Redispersion of noble metals on supported catalysts

Details Redispersion of noble metals on supported catalysts Redispersion of noble metals on supported catalysts

B - Operations, Transporting

01

J

252/9

B01J 23/96 (2006.01)

Patent

CA 1135240

U.S. 758,070 ABSTRACT OF THE DISCLOSURE Noble metals on supported zeolite containing hydrocarbon conversion catalysts, which have been at least partially damaged by thermal and/or hydrothermal stresses resulting in a maldistribution of the supported metal, are redispersed to a highly active, high surface area state by contacting said catalyst with ethylenediaminetetraacetic acid (EDTA), or a salt thereof, to the point of incipient wetness and then removing said acid by heat treatment.

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