Fluid catalytic cracking catalyst for cracking sulfur...

Details Fluid catalytic cracking catalyst for cracking sulfur... Fluid catalytic cracking catalyst for cracking sulfur...

B - Operations, Transporting

01

J

196/157, 252/2.E

B01J 29/08 (2006.01) C10G 11/05 (2006.01)

Patent

CA 1226267

ABSTRACT A FLUID CATALYTIC CRACKING CATALYST FOR CRACKING SULFUR CONTAINING PETROLEUM FEEDSTOCKS AND A PROCESS FOR USING IT The present invention is directed to a fluid catalytic cracking catalyst comprising a blend of a catalytically active first component and a second component for reducing the emissions of oxides of sulfur from the regenerator of a catalytic cracking unit and the use of that catalyst to crack sulfur containing petroleum feedstocks. The catalytically active first component contains Y-faujasite zeolite and comprises about 10-70% by weight, preferably about 25-50% by weight, of the catalyst. The second component of the catalyst comprises about 30-90% by weight, preferably about 50-75% by weight, of the catalyst. The second component comprises fluidizable particles containing at least about 70% by weight, preferably at least about 90% by weight, alumina and having an equilibrium surface area in the range of about 40-100 m2/g., preferably in the range of about 50-90 m2/g.

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