Cracking process and catalyst for same

Details Cracking process and catalyst for same Cracking process and catalyst for same

C - Chemistry, Metallurgy

10

G

252/10, 196/161

C10G 11/04 (2006.01) B01J 21/20 (2006.01) B01J 23/64 (2006.01) B01J 23/644 (2006.01) B01J 29/90 (2006.01)

Patent

CA 1225074

IMPROVED CRACKING PROCESS AND CATALYST FOR SAME Abstract of the Disclosure A novel cracking catalyst, a method of preparing same and an improved hydrocarbon cracking process are provided wherein adverse effects of metals such as nickel, vanadium, iron, copper and cobalt in the cracking catalyst are precluded or mitigated by contacting the cracking catalyst with (A) at least one of elemental antimony and compounds thereof and (B) at least one of elemental tin and compounds thereof whereby there is added to said catalyst a modifying amount of each of (A) and (B) with the weight ratio of antimony to tin being such as to provide passivation of the contaminating metals greater than the sum of the passivation effects of each of (A) and (B) individually. In general the ratio will be in the range of from 0.001:1 to 1000:1, and preferably will be in the range of 0.05:1 to 50:1.

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