Process for desulphurizing a hydrocarbon feed by...

Details Process for desulphurizing a hydrocarbon feed by... Process for desulphurizing a hydrocarbon feed by...

2004-07-26

2010-06-29

Caldarola, Glenn A (Department: 1797)

Mineral oils: processes and products

Refining

Sulfur removal

C208S299000, C208S213000, C585S826000

Reexamination Certificate

active

07744748

ABSTRACT:
A process for reducing the quantity of sulphur present in a hydrocarbon feed such as a gasoline or a gas oil, comprises:d) bringing said feed containing sulphur-containing compounds into contact with an adsorbent having a selectivity for sulphur-containing compounds under conditions for producing, at the outlet from the contact zone, a desulphurized effluent which is collected, said adsorption being carried out in the liquid phase or in the gas phase;e) gas phase desorption of the sulphur-containing compounds present on said adsorbent using a hydrogen-containing gaseous fluid derived from a hydrodesulphurization zone to obtain a gaseous effluent comprising hydrogen and desorbed sulphur-containing compounds;sending the gaseous effluent from step b) to said hydrodesulphurization zone and desulphurizing it therein.

REFERENCES:
patent: 3051646 (1962-08-01), Brooke
patent: 5454933 (1995-10-01), Savage et al.
patent: 5843300 (1998-12-01), Zinnen et al.
patent: 6551501 (2003-04-01), Whitehurst et al.
patent: 2003/0042175 (2003-03-01), Debuisschert et al.
patent: 1057879 (2000-12-01), None

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