FCC apparatus with enclosed vented riser

Details FCC apparatus with enclosed vented riser FCC apparatus with enclosed vented riser

1995-02-27

1996-09-03

Warden, Robert

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422145, 422147, F27B 1508

Patent

active

055521207

ABSTRACT:
An FCC apparatus uses a highly efficient separation device to remove product from the catalyst so that the reactor vessel receives a low volume of feed hydrocarbons and riser by-products. The separation device encloses an upwardly directed outlet end of a ballistic separation device in low volume disengaging vessel that collects disengaged catalyst from the riser in a dense bed. Immediate contact of the dense bed with a stripping fluid minimizes the amount of hydrocarbons that are carried out of the disengaging vessel into the open volume of the reactor vessel.

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