Integrated staged catalytic cracking and hydroprocessing process

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

1996-08-23

1998-06-23

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 72, 208 74, 208 77, 208 57, 208 78, 208 80, 208 89, 208100, C10G 5102

Patent

active

057700443

ABSTRACT:
Disclosed is a catalytic cracking process which includes more than one catalytic cracking reaction step. The process integrates a hydroprocessing step between the catalytic cracking reaction steps in order to maximize olefins production, distillate quality and octane level of the overall cracked product. Preferably, the hydroprocessing step is included between the reaction stages, 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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