Hydroprocessing of petroleum fractions with a dual catalyst syst

Details Hydroprocessing of petroleum fractions with a dual catalyst syst Hydroprocessing of petroleum fractions with a dual catalyst syst

1996-12-03

1999-02-16

Griffin, Walter D.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 61, 208108, 208213, 208216R, 208217, 208251H, 208254H, 208149, 208113, C10G 4500

Patent

active

058716351

ABSTRACT:
Hydrocarbonaceous feedstocks admixed with a flow-through catalyst and hydrogen are hydroprocessed in a hydroprocessing reactor containing a captive hydroprocessing catalyst. The flow-through catalyst is continually withdrawn with the hydroprocessed feed from the hydroprocessing reactor. The flow-through catalyst may be an FCC, hydrocracking, isomerization or ring-opening catalyst. In a preferred embodiment, the captive hydroprocessing catalyst contains Co, Ni and/or Mo on an alumina base and the flow-through catalyst is an FCC zeolitic catalyst which is withdrawn with the hydroprocessed feed from the hydroprocessing reactor and then sent to an FCC unit.

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