Catalytic cracking process with multiple catalyst outlets

Details Catalytic cracking process with multiple catalyst outlets Catalytic cracking process with multiple catalyst outlets

1989-11-06

1991-11-05

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208153, 502 41, C01G 1118

Patent

active

050629441

ABSTRACT:
An improved process and apparatus are disclosed for fluidized catalytic cracking of hydrocarbons using a cross-flow or swirl type catalyst regenerator. Instead of a single catalyst withdrawal outlet for regenerated catalyst, multiple catalyst withdrawal points are provided. Use of multiple catalyst outlets, or a continuous radial catalyst outlet, greatly reduces stagnant regions in the bed.

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patent: 4081249 (1978-03-01), Baillie
patent: 4670410 (1987-06-01), Baillie

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