Process for the production of catalytic cracking gasoline with a

Details Process for the production of catalytic cracking gasoline with a Process for the production of catalytic cracking gasoline with a

1997-09-23

1999-12-28

Griffin, Walter D.

Mineral oils: processes and products

Refining

Sulfur removal

208210, 208211, 208212, 585259, C10G 6704, C10G 6712, C10G 6716

Patent

active

060077042

ABSTRACT:
Catalytic cracking gaseolines are treated by: (a) fractionating the raw gasoline cut into two cuts; (b) optional selective diene hydrodenation of the light cut, then mild hydrotreatment and stripping; (c) sweetening the light cut which is conducted before the mild hydrotreatment step by contact with a supported catalyst containing 0.1-1% by weight of palladium, or after the mild hydrotreatment step and which is then an extractive sweetening step, or with a catalyst having an alkaline base optionally incorporated and also an oxidizing agent. The heavy gaseoline fraction is optionally desilphurized in a hydrotreatment unit. The desulpurized and sweetened light gaesoline can be added to the gasoline pool either directly or mixed with the desulphurized heavy gaseoline cut.

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