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 78, 208 80, 208 89, 208100, 208 57, C10G 5102

Patent

active

057700435

ABSTRACT:
Disclosed is a catalytic cracking process which includes more than one catalytic cracking reaction step. The process integrates a hydroprocessing process step between the catalytic cracking reaction steps in order to maximize olefins production, mid-distillate quality and naphtha octane level in the cracked products. Preferably, a first cracked hydrocarbon product is obtained from a first cracking stage and separated into a mid-distillate and gas oil containing fraction having an initial boiling point of at least 300.degree. F., the distillate and gas oil containing fraction is hydroprocessed, and a naphtha fraction and a gas oil containing bottoms fraction of the hydroprocessed material are cracked in a second cracking stage.

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