Heavy oil catalytic cracking process and apparatus

Details Heavy oil catalytic cracking process and apparatus Heavy oil catalytic cracking process and apparatus

C - Chemistry, Metallurgy

10

G

196/106

C10G 11/18 (2006.01) B01J 8/18 (2006.01) B01J 38/12 (2006.01)

Patent

CA 2029910

HEAVY OIL CATALYTIC CRACKING PROCESS AND APPARATUS ABSTRACT A fluidized catalytic cracking process operates with a hot stripper to improve stripping of spent catalyst from the FCC process. The catalyst from the hot stripper is cooled by direct contact heat exchange with a source or cooled regenerated catalyst. Cooled catalyst may contact hot, stripped catalyst in the base of the stripper or downstream of the stripper. The cooled, stripped catalyst has reduced hydrogen, sulfur and coke content, improves regeneration efficiency, and reduces hydrothermal degradation of catalyst.

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