FCC process and apparatus with contained vortex third stage sepa

Details FCC process and apparatus with contained vortex third stage sepa FCC process and apparatus with contained vortex third stage sepa

1994-05-02

1996-07-23

McMahon, Timothy M.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

55345, 55347, 554591, F27B 1512

Patent

active

055386962

ABSTRACT:
Horizontal, small diameter cyclones are disclosed. Gas and fines are added tangentially around a clean vapor outlet tube in a cylindrical cyclone. A vortex of solids and some gas passes into a contiguous and axially aligned cylindrical vortex containment means from which solids are withdrawn via a horizontal slot. 0-5 micron particle removal is enhanced. An FCC process uses the cyclones as a third stage separator. An alternative design uses a half pipe extension on the solids outlet to confine the vortex of solids and gas.

REFERENCES:
patent: 3259246 (1966-07-01), Stavenger
patent: 3261467 (1966-07-01), Wikdahl
patent: 4285706 (1991-08-01), Dehne
patent: 5178648 (1993-01-01), Kalen et al.
patent: 5221301 (1993-06-01), Giuricich

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