Shell Oil Comapny

Brian Scott Vanderwilp

Jeffrey Michael Kobe

Peter Ingraham Chipman

Leonid Isaakovich Rubinstein

Thijs Wermink

Arjan Jan Te Raa

Paul Benjerman Himelfarb

Dane Clark Grenoble

Michael Norris Treybig

Disclosed is a process for the selective hydrogenation of diolefins and sulfur compounds that are contained in a pyrolysis gasoline feedstream. The process includes utilizing a single hydrotreating reaction stage by introducing the pyrolysis gasoline feedstock that includes a diolefin concentration and an organic sulfur concentration into a reactor that is loaded with a high activity hydrotreating catalyst and which is operated under selective hydrogenation conditions. A reactor effluent having a reduced diolefin concentration and a reduced organic sulfur concentration is yielded from the reactor and is separated into a portion that is recycled as a reactor feed. The remaining portion of the reactor effluent is passed downstream for further processing or handling.

Process for the selective hydrogenation and hydrodesulferization of a pyrolysis gasoline feedstock

A reaction system for epoxidation of olefins, with a feed control system configured to control the relative quantity of reaction modifier present in the feed, where the relative quantity of said reaction modifier is changed in response to changes in the reaction temperature.

Process and systems for the epoxidation of an olefin

A process for the epoxidation of an olefin, which process comprises reacting a feed comprising the olefin, oxygen and a reaction modifier in the presence of a highly selective silver-based catalyst at a reaction temperature T, and with the reaction modifier being present in a relative quantity Q which is the ratio of an effective molar quantity of active species of the reaction modifier present in the feed to an effective molar quantity of hydrocarbons present in the feed, and which process comprises the steps of:

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Katy, TX, United States of America

Brian Scott Vanderwilp