Process for the simultaneous hydrotreating and fractionation...

Mineral oils: processes and products – Refining – Sulfur removal

Reexamination Certificate

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C208S210000, C208S211000, C208S212000, C208S213000, C208S218000

Reexamination Certificate

active

06881324

ABSTRACT:
A process for the treatment of light naphtha hydrocarbon streams is disclosed wherein the mercaptans contained therein are reacted with diolefins simultaneous with fractionation into a light stream and a heavy stream. The heavy stream is then simultaneously treated at high temperatures and low pressures and fractionated. The naphtha is then stripped of the hydrogen sulfide in a final stripper.

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patent: 6495030 (2002-12-01), Podrebarac
patent: 20030136706 (2003-07-01), McDaniel et al.

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