Diene removal from an olefin feedstock

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 7/163 (2006.01)

Patent

CA 2408205

A method for purifying an olefin stream comprising: providing an olefin feedstock wherein said olefins have an average molecular chain length of from 8 to 36 carbon atoms, said olefin feedstock comprising a quantity of dienes; contacting said olefin feedstock with a hydrogenation catalyst that is sensitive to diene poisoning and a gas feed comprising hydrogen at a feedstock flow rate and under conditions effective to convert a majority of said dienes to olefins.

L'invention concerne un procédé de purification de flux d'oléfines, consistant à fournir une charge d'oléfines dans laquelle lesdites oléfines possèdent une longueur de chaîne moléculaire moyenne de 8 à 36 atomes de carbone, ladite charge d'oléfines renfermant une certaine quantité de diènes; à mettre en contact la charge d'oléfines avec un catalyseur d'hydrogénation sensible l'empoisonnement de diènes et une alimentation gazeuse comprenant de l'hydrogène à un débit d'écoulement de charge et dans des conditions efficaces pour transformer la majorité des diènes en oléfines.

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