Catalysts and catalyst supports

Details Catalysts and catalyst supports Catalysts and catalyst supports

B - Operations, Transporting

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B01J 21/12 (2006.01) B01J 21/16 (2006.01) B01J 23/02 (2006.01) B01J 29/06 (2006.01) C10G 11/02 (2006.01)

Patent

CA 1264051

CATALYSTS AND CATALYST SUPPORTS Abstract Catalytic compositions which comprise alumina bound spinel having an alkali metal content of below about 0.50 weight percent, preferably below about 0.10. The compositions are obtained by calcining and caustic leaching preformed particulate composites of clay and alumina sol, preferably chlorhydrol. The catalysts are particularly useful for the catalytic cracking of heavy hydrocarbon feedstocks to obtain gasoline and light cycle oil. When used for cracking feedstocks high in vanadium content these compositions may contain added alkaline earth oxide in order to passivate the vanadium.

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