Gasoline sulfur reduction in fluid catalytic cracking

Details Gasoline sulfur reduction in fluid catalytic cracking Gasoline sulfur reduction in fluid catalytic cracking

C - Chemistry, Metallurgy

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C10G 11/05 (2006.01) B01J 29/03 (2006.01) B01J 29/072 (2006.01) B01J 29/076 (2006.01) B01J 29/08 (2006.01) B01J 29/14 (2006.01) B01J 29/16 (2006.01) B01J 29/24 (2006.01) B01J 29/40 (2006.01) B01J 29/46 (2006.01) B01J 29/48 (2006.01) B01J 29/70 (2006.01) B01J 29/76 (2006.01) B01J 29/78 (2006.01) B01J 29/84 (2006.01) B01J 29/88 (2006.01)

Patent

CA 2281445

The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction additive comprising a porous molecular sieve which contains a metal in an oxidation state above zero within the interior of the pore structure of the sieve. The molecular sieve is normally a large pore size zeolite such as USY or zeolite beta or an intermediate pore size zeolite such as ZSM-5. The metal is normally a metal of Period 3 of the Periodic Table, preferably zinc or vanadium. The sulfur reduction catalyst may be used in the form of a separate particle additive or as a component of an integrated cracking/sulfur reduction catalyst.

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