Three stage hydroprocessing including a vapor stage

Details Three stage hydroprocessing including a vapor stage Three stage hydroprocessing including a vapor stage

1998-05-06

2000-03-14

Griffin, Walter D.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 57, 208 58, 208143, 208147, 208210, C10G 6502

Patent

active

060368446

ABSTRACT:
A three stage hydroprocessing process includes two liquid and one vapor reaction stages, with a hydrogen containing vapor effluent produced in both liquid stages. The second liquid stage vapor effluent comprises part of the first liquid stage feed and the first liquid stage vapor effluent is the feed for the vapor stage. At least a portion of the hydrogen for the first liquid stage and vapor stage reactions is respectively provided by the hydrogen in the second and first liquid stage vapor effluents.

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patent: 5670116 (1997-09-01), Gupta et al.
patent: 5705052 (1998-01-01), Gupta
patent: 5720872 (1998-02-01), Gupta

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