Process for feed contacting with immediate catalyst separation

Details Process for feed contacting with immediate catalyst separation Process for feed contacting with immediate catalyst separation

1999-03-16

2000-05-16

Griffin, Walter D.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208118, 20812001, 2081201, 208146, C10G 1100

Patent

active

060632631

ABSTRACT:
A particular arrangement of an FCC unit creates an immediate and sustained gravity separation of catalyst and hydrocarbon vapors in short contact time cracking operation. A transverse feed contactor ejects the mixture of catalyst and hydrocarbon vapors transversely into a central portion of a separation vessel for vertical disengagement of catalyst from vapors. The vapors travel upwardly in the vessel into an inertial separator that quickly segregates entrained catalyst from the hydrocarbon vapors and collects separated catalyst at a higher elevation for stripping of adsorbed hydrocarbons from the catalyst.

REFERENCES:
patent: 2935466 (1960-05-01), Schoenmakers
patent: 4435272 (1984-03-01), Bartholic et al.
patent: 4944845 (1990-07-01), Bartholic
patent: 4985136 (1991-01-01), Bartholic
patent: 5296131 (1994-03-01), Raterman
patent: 5462652 (1995-10-01), Wegerer
patent: 5565020 (1996-10-01), Niewiedzial

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