Process for mixing cracking catalyst with a fluid hydrocarbon

Details Process for mixing cracking catalyst with a fluid hydrocarbon Process for mixing cracking catalyst with a fluid hydrocarbon

1987-08-28

1989-04-25

Sneed, H. M. S.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208153, 208163, 208164, 208176, 422139, 422140, 422142, 422145, C10G 3510

Patent

active

048245577

ABSTRACT:
The present invention relates to a process for immediately and intimately mixing a fluidizable cracking catalyst with a fluid hydrocarbon in a riser reactor. The process involves passing the hydrocarbon through a stationary fluid feedstock feed means in fixed relationship with the upstream end of the riser. The feedstock is atomized by a nozzle attached to the downstream end of the feed means. A hollow plug valve positioned concentrically around the feed means is capable of moving in a reciprocating fashion to permit the flow of catalyst to the riser.

REFERENCES:
patent: 2606097 (1952-08-01), Goodson et al.
patent: 2850364 (1958-09-01), Dowling
patent: 4126539 (1978-11-01), Derr Jr., et al.
patent: 4523987 (1985-06-01), Penick
patent: 4578183 (1986-03-01), Chou et al.
patent: 4659455 (1987-04-01), Dall et al.

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