Integrated staged catalytic cracking and staged hydroprocessing

Details Integrated staged catalytic cracking and staged hydroprocessing Integrated staged catalytic cracking and staged hydroprocessing

1998-12-30

2000-09-26

Griffin, Walter D.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 74, 208 77, 208 78, 208 89, 208 57, C10G 6902, C10G 6904

Patent

active

061238309

ABSTRACT:
Disclosed is a catalytic cracking process that includes more than one catalytic cracking reaction step. The process integrates catalytic cracking steps with hydroprocessing in order to maximize olefins production, distillate quality and octane level of the overall cracked product. Preferably, one hydroprocessing step is included between the cat cracking reaction steps, and a portion of the hydroprocessed products, i.e., a naphtha and mid distillate fraction, is combined with cracked product for further separation and hydroprocessing. It is also preferred that the first catalytic cracking reaction step be a short contact time reaction step.

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