Reduced chaos cyclone separation

Details Reduced chaos cyclone separation Reduced chaos cyclone separation

1995-06-07

1997-10-28

Caldarola, Glenn A.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 72, 208 73, 208 95, 208100, 208126, 208128, 208161, 208168, 422147, C10G 1100, C10G 4922, C10G 936, F27B 1509

Patent

active

056814500

ABSTRACT:
A cyclone and process for fluidized catalytic cracking of heavy oils is disclosed. Gas and entrained solids are added around a clean gas outlet tube in a cyclone body. Solids and some gas are withdrawn via a solids outlet and discharged into a catch chamber. Some of the gas discharged with the solids into the catch chamber is returned to the interior of the cyclone body via an opening in the cyclone. Chaotic reflux of gas back into the cyclone via the solids outlet is eliminated. The device may be used as an FCC regenerator third stage separator or to improve other gas/solid separations.

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patent: 5514271 (1996-05-01), Buchanan et al.
patent: 5538696 (1996-07-01), Raterman et al.
International Chemical Engineering, 8 Jan. 1993, "Unconventional cyclone separators".

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