Fluid catalyst process with steam injection into catalyst standp

Details Fluid catalyst process with steam injection into catalyst standp Fluid catalyst process with steam injection into catalyst standp

1986-04-16

1988-06-21

Sneed, Helen M. S.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208150, 208164, 422144, C10G 1118

Patent

active

047523778

ABSTRACT:
In a fluid catalytic cracking unit where oil and steam are mixed with regenerated catalyst the individual and combined improvements: (1) extending the oil-steam line into the riser reactor at least to a point where the axis of the riser is intersected by an imaginery extension of the inside diameter of the catalyst standpipe and (2) installation of a plurality of purge gas points beneath the regenerator slide valve in the catalyst standpipe.

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patent: 2985517 (1961-05-01), Harper et al.
patent: 3152065 (1964-10-01), Sharp et al.
patent: 3246960 (1966-04-01), Sharp et al.
patent: 3785782 (1974-01-01), Cartmell
patent: 3848811 (1974-11-01), Fryback
patent: 4310411 (1982-01-01), Wilkening

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