Process for effecting ultra-deep HDS of hydrocarbon feedstocks

Details Process for effecting ultra-deep HDS of hydrocarbon feedstocks Process for effecting ultra-deep HDS of hydrocarbon feedstocks

2005-08-02

2005-08-02

Griffin, Walter D. (Department: 1764)

Mineral oils: processes and products

Refining

Sulfur removal

C208S217000, C208S237000, C208S240000, C208S243000, C208S244000, C208S20800M

Reexamination Certificate

active

06923904

ABSTRACT:
The invention pertains to a process for reducing the sulfur content of a hydrocarbon feedstock to a value of less than 200 ppm, preferably less than 50 ppm, which comprises subjecting a catalyst comprising a Group VIB metal component, a Group VIII metal component, and an organic additive on a carrier to a sulfidation step, and contacting a feedstock with a 95% boiling point of 450° C. or less and a sulfur content of 500 ppm or less with the sulfided catalyst under conditions of elevated temperature and pressure to form a product with a sulfur content of less than 200 ppm. The organic additive preferably is at least one compound selected from the group of compounds comprising at least two hydroxyl groups and 2-10 carbon atoms, and the (poly)ethers of these compounds.

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