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Thermal methods for treating a metathesis feedstock

  • US 8,692,006 B2
  • Filed: 08/11/2008
  • Issued: 04/08/2014
  • Est. Priority Date: 08/09/2007
  • Status: Active Grant
First Claim
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1. A method of metathesizing a feedstock comprising:

  • providing a feedstock comprising a natural oil;

    heating the feedstock to a temperature greater than 100°

    C. in the absence of oxygen;

    holding the feedstock at the temperature for a time sufficient to diminish catalyst poisons in the feedstock; and

    following the heating and holding, combining a metathesis catalyst with the feedstock under conditions sufficient to metathesize the feedstock.

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