Catalytic hydrodesulfurization and stripping of hydrocarbon liqu

Details Catalytic hydrodesulfurization and stripping of hydrocarbon liqu Catalytic hydrodesulfurization and stripping of hydrocarbon liqu

1994-11-28

1996-09-10

Pal, Asok

Mineral oils: processes and products

Refining

Sulfur removal

208 89, 208 92, 208216R, 208217, 208264, C10G 4506, C10G 4536

Patent

active

055542751

ABSTRACT:
A method and operating technique for treating organosulfur compound-containing aliphatic streams by introducing the light hydrocarbon stream at a top portion of a vertical stripping tower having an upper catalytic contact zone containing a bed of solid hydrodesulfurization catalyst particles and a lower contact zone, and introducing a light gas stream containing hydrogen at a lower portion of said stripping tower. Hydrodesulfurization is effected by flowing the light hydrocarbon stream and light gas stream countercurrently in contact with the solid hydrodesulfurization catalyst particles under hydrodesulfurization and stripping conditions, thereby converting the organosulfur compound in the upper contact zone.

REFERENCES:
patent: 5073236 (1991-12-01), Gelbein et al.
patent: 5087780 (1992-02-01), Arganbright
patent: 5118872 (1992-06-01), Smith, Jr. et al.
patent: 5321163 (1994-06-01), Hickey et al.

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