Octane catalytic cracking process

Details Octane catalytic cracking process Octane catalytic cracking process

C - Chemistry, Metallurgy

10

G

196/73

C10G 11/00 (2006.01)

Patent

CA 1263332

ABSTRACT OF THE DISCLOSURE A method for improving the octane rating of products from a catalytic cracking system is disclosed. The method is directed at maintaining the metal contami- nant level on the cracking catalyst above about 400 wppm equivalent metal and periodically passing the cracking catalyst through a passivation zone (70) having a reducing atmosphere maintained at an elevated temperature to passivate the metal contaminant on the cracking catalyst.

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