FCC process and apparatus with upset tolerant third stage separa

Details FCC process and apparatus with upset tolerant third stage separa FCC process and apparatus with upset tolerant third stage separa

1993-12-30

1995-11-07

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208113, 208164, 502 21, 502 41, 502 42, C10G 1118

Patent

active

054645280

ABSTRACT:
An inertial/filtering separator in a single vessel and FCC process using same as a third stage separator are disclosed. Gas and fines are added tangentially to an annulus formed by a cylindrical insert in a vessel. Gas flows over the insert and down to filters in the vessel. Solids are withdrawn from the base of the annulus and periodically from the filter. Three types of solids collection--inertial, gravity settling and filtration--are practiced in a single vessel.

REFERENCES:
patent: 2687780 (1954-08-01), Culhane
patent: 4176083 (1979-11-01), McGovern et al.
patent: 4285706 (1981-08-01), Dehne
patent: 4392345 (1983-07-01), Geary, Jr.
patent: 4521389 (1985-06-01), Blanton, Jr.
patent: 4687497 (1987-08-01), Owen et al.
patent: 4755282 (1988-07-01), Samish et al.

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