Hydroprocessing in a countercurrent reaction vessel

Details Hydroprocessing in a countercurrent reaction vessel Hydroprocessing in a countercurrent reaction vessel

1996-08-23

1999-11-16

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 58, 208210, 208254H, 208 59, 208 62, 208 63, 208 64, 208 66, 208251H, C10G 4500, C10G 4100

Patent

active

059851317

ABSTRACT:
A process for upgrading a liquid petroleum or chemical stream wherein said stream flows countercurrent to the flow of a treat gas, such as a hydrogen-containing gas, in at least one reaction zone. The reaction vessel used in the practice of the present invention contains vapor and optionally liquid passageway means to bypass one or more catalyst beds. This permits more stable and efficient reaction vessel operation.

REFERENCES:
patent: 4624748 (1986-11-01), Haunschild
patent: 4952306 (1990-08-01), Sawyer et al.
patent: 5183556 (1993-02-01), Reilly
patent: 5252198 (1993-10-01), Harrison et al.
patent: 5522983 (1996-06-01), Cash et al.
patent: 5705052 (1998-01-01), Gupta
patent: 5720872 (1998-02-01), Gupta

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