Removal of metal contaminants from catalysts using buffered...

Details Removal of metal contaminants from catalysts using buffered... Removal of metal contaminants from catalysts using buffered...

B - Operations, Transporting

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252/1.D

B01J 38/00 (2006.01) B01J 21/20 (2006.01) B01J 23/96 (2006.01) B01J 29/90 (2006.01) B01J 38/62 (2006.01) C10G 11/04 (2006.01) C10G 11/05 (2006.01) C10G 49/02 (2006.01) B01J 23/46 (2006.01) B01J 23/656 (2006.01)

Patent

CA 1217468

ABSTRACT OF THE DISCLOSURE A process for removing metal contaminants from a hydroconversion catalyst, said catalyst containing at least one metal from Groups VIB, VIIB or VIII supported on a refractory inorganic oxide. The process comprises contacting the contaminated catalyst with a buffered oxalic acid solution wherein contaminant is removed without dissolving the support.

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