Thermal methods for treating a metathesis feedstock

C - Chemistry – Metallurgy – 11 – C

Patent

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Details

C11C 3/00 (2006.01) C07C 6/04 (2006.01) C11B 3/02 (2006.01)

Patent

CA 2695865

Various methods are provided for metathesizing a feedstock. In one aspect, a method includes 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.

L'invention concerne divers procédés pour réaliser la métathèse d'une matière première. Selon un aspect, un procédé comprend la fourniture d'une matière première comprenant une huile naturelle, le chauffage de la matière première à une température supérieure à 100°C en l'absence d'oxygène, le maintien de la matière première à la température pendant une durée suffisante pour diminuer les poisons de catalyseur dans la matière première, et, après le chauffage et le maintien, la combinaison d'un catalyseur de métathèse avec la matière première dans des conditions suffisantes pour réaliser la métathèse de la matière première.

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