Catalytic cracking with reduced emission of noxious gases

Details Catalytic cracking with reduced emission of noxious gases Catalytic cracking with reduced emission of noxious gases

C - Chemistry, Metallurgy

10

G

196/106, 196/96

C10G 11/18 (2006.01) B01J 29/06 (2006.01) C10G 11/05 (2006.01)

Patent

CA 1110567

CATALYTIC CRACKING WITH REDUCED EMISSION OF NOXIOUS GASES ABSTRACT A cyclic, fluidized catalytic cracking process providing reduced emissions of noxious effluents in regeneration zone flue gases is operated with homogeneous or non-homogeneous, regenerable, fluidized, solid particles which are circulated throughout the catalytic cracking process cycle and which comprise (l) a molecular sieve-type cracking catalyst, comprising a cracking catalyst matrix containing crystalline aluminosilicate distributed throughout said matrix and (2) a metallic reactant which reacts with sulfur oxides to form a metal and sulfur- containing compound in the solid particles. The method involves the introduction of a compound of the metal or metals in the metallic reactant into the cracking process cycle and incorporating the metallic reactant into the solid particles in situ.

267947

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