Low pressure selective desulfurization of naphthas

Details Low pressure selective desulfurization of naphthas Low pressure selective desulfurization of naphthas

2011-01-25

2011-01-25

Caldarola, Glenn A (Department: 1771)

Mineral oils: processes and products

Refining

Sulfur removal

C208S20800M, C208S209000, C208S213000, C208S217000, C208S243000, C208S244000, C208S264000, C208S295000

Reexamination Certificate

active

07875167

ABSTRACT:
A low hydrogen partial pressure process for desulfurizing naphtha in the presence of a hydrodesulfurization catalyst which catalyst is selective for suppressing hydrogenation of olefins and in the presence. This invention also relates to the use of optimum metals loading for achieving a high level of hydrodesulfurization with a low level of olefin saturation.

REFERENCES:
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patent: 6013598 (2000-01-01), Lapinski
patent: 6126814 (2000-10-01), Lapinski
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patent: 6409913 (2002-06-01), Clark
patent: 6913688 (2005-07-01), Coker
patent: 7220352 (2007-05-01), Halbert
patent: 2001/0020596 (2001-09-01), Jossens et al.
patent: 2005/0098479 (2005-05-01), Jacobs et al.
“Structure and Properties of Molybdenum Sulfide: Correlation of O2 Chemisorption with Hydroesulfurization Activity”, Journal of Catalysis, vol. 63, pp. 515-519 (1980).

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