Treatment of spent cracking catalysts

Details Treatment of spent cracking catalysts Treatment of spent cracking catalysts

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B01J 38/08 (2006.01) B01J 29/04 (2006.01) B01J 29/90 (2006.01) B01J 38/48 (2006.01) B01J 38/60 (2006.01) C10G 11/02 (2006.01) C10G 11/05 (2006.01) C10G 11/06 (2006.01)

Patent

CA 2014074

32718CA ABSTRACT A process for reactivating a spent, metal-contaminated zeolite-containing catalytic cracking catalyst composition comprises contacting the spent catalyst composition with an acidified aqueous NH4NO3 solution, thereafter with a suitable fluorine compound (preferably dissolved NH4F), and, optionally, additionally with an antimony compound. The thus prepared reactivated cracking catalyst composition is used in a process for catalytically cracking a liquid hydrocarbon-containing feed.

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