Methods of refining natural oils and methods of producing fuel compositions

Firth, Bruce E; Kirk, Sharon E; Gavaskar, Vasudeo S

Methods of refining natural oils and methods of producing fuel compositions

Patent · Wed Nov 04 04:00:00 EST 2015

OSTI ID:1224887

Firth, Bruce E; Kirk, Sharon E; Gavaskar, Vasudeo S

A method of refining a natural oil includes: (a) providing a feedstock that includes a natural oil; (b) reacting the feedstock in the presence of a metathesis catalyst to form a metathesized product that includes olefins and esters; (c) passivating residual metathesis catalyst with an agent selected from the group consisting of phosphorous acid, phosphinic acid, and a combination thereof; (d) separating the olefins in the metathesized product from the esters in the metathesized product; and (e) transesterifying the esters in the presence of an alcohol to form a transesterified product and/or hydrogenating the olefins to form a fully or partially saturated hydrogenated product. Methods for suppressing isomerization of olefin metathesis products produced in a metathesis reaction, and methods of producing fuel compositions are described.

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Research Organization:: Elevance Renewable Sciences, Inc., Woodridge, IL (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: EE0002872

Assignee:: Elevance Renewable Sciences, Inc.

Patent Number(s):: 9,175,231

Application Number:: 13/335,538

OSTI ID:: 1224887

Country of Publication:: United States

Language:: English

References (33)

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