Desulfurization process

Details Desulfurization process Desulfurization process

2006-10-02

2010-12-21

Griffin, Walter D (Department: 1797)

Mineral oils: processes and products

Refining

Sulfur removal

C208S173000, C208S176000

Reexamination Certificate

active

07854835

ABSTRACT:
A hydrocarbon desulfurization system that circulates fluidizable solid particles through a fluidized bed reactor, a fluidized bed regenerator, and a fluidized bed reducer to thereby provide for substantially continuous desulfurization of a hydrocarbon-containing fluid stream and substantially continuous regeneration of the solid particles. A novel transport system is employed for transporting the solid particles between the reactor, the regenerator, and the reducer. The transport system uses close-coupled vessels and gravity flow between various vessels to minimize equipment cost and particle attrition.

REFERENCES:
patent: 5270018 (1993-12-01), Scheuerman
patent: 2002/0147110 (2002-10-01), Dodwell et al.
patent: 2003/0192811 (2003-10-01), Thompson et al.

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