Process for ultra low sulfur gasoline

Details Process for ultra low sulfur gasoline Process for ultra low sulfur gasoline

2006-08-15

2006-08-15

Nguyen, Tam M. (Department: 1764)

Mineral oils: processes and products

Refining

Sulfur removal

C208S20800M, C208S209000, C208S211000, C208S218000, C208S213000, C208S143000, C585S259000, C585S260000, C585S264000, C203SDIG006

Reexamination Certificate

active

07090766

ABSTRACT:
A process wherein all of the unsaturates within a cracked naphtha stream are substantially hydrogenated to alkanes and the olefin depleted stream is then subjected to hydrodesulfurization to achieve the desired sulfur levels without the formation of recombinant mercaptans.

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patent: 5597476 (1997-01-01), Hearn et al.
patent: 6495030 (2002-12-01), Podrebarac
Syed A. Ali & Jamal A. Anabtawi, Olefins can limit desulfurization of reformer, Oil & Gas Journal, pp. 48-54, Jul., 1995.
D.P. Satchell & Bil. Crynes, High olefins content may limit cracket naphtha desulfurization, Oil & Gas Journal, pp. 123-124, Dec., 1975.

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