FCC process and apparatus with automatic catalyst recycle...

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Fluidized bed

Reexamination Certificate

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C422S110000, C422S139000, C422S105000, C208S113000, C208SDIG001

Reexamination Certificate

active

07041259

ABSTRACT:
An FCC process and apparatus that blends spent and regenerated catalyst before the catalyst contacts the feed in a reaction zone. The circulation rate of spent catalyst is automatically controlled based on a circulation rate of regenerated catalyst.

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