Fluid catalytic cracking of hydrocarbon

Details Fluid catalytic cracking of hydrocarbon Fluid catalytic cracking of hydrocarbon

1974-10-07

1976-05-18

Scovronek, Joseph

Chemistry: physical processes

Physical processes

Crystallization

208153, 208164, B01J 824, C10G 1118

Patent

active

039574431

ABSTRACT:
A transport type fluid catalytic cracking reactor comprising a riser conduit, a flow reversal means and a downcomer conduit, wherein the flow reversal means has a closable top such that a shorter or longer residence time of catalyst and oil vapor in the transport reactor may be selected without affecting vapor velocity within the riser conduit.

REFERENCES:
patent: 3188185 (1965-06-01), Slyngstad et al.
patent: 3243265 (1966-03-01), Annesser
patent: 3492221 (1970-01-01), Pfeiffer
patent: 3644199 (1972-02-01), Evans et al.
patent: 3690841 (1972-09-01), Bunn, Jr. et al.
patent: 3841843 (1974-10-01), Williams et al.

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