Catalyst demetallization utilizing a combination of...

Details Catalyst demetallization utilizing a combination of... Catalyst demetallization utilizing a combination of...

B - Operations, Transporting

01

J

196/106, 260/713

B01J 21/20 (2006.01) B01J 29/90 (2006.01)

Patent

CA 1087592

ABSTRACT OF THE DISCLOSURE A process for the removal of metal poisons such as nickel, iron and/or vanadium from a hydrocarbon conversion catalyst which includes the steps of contacting the catalyst with both a reductive wash and a subsequent oxidative wash to remove at least a portion of the metal poisons from the catalyst. A preferred oxidative wash medium comprises an aqueous solution of hydrogen peroxide. The vanadium and nickel metals nay be recovered from the resultant used wash solutions for possible metallurgical use.

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