Process for making a linear alpha-olefin oligomer using a...

C - Chemistry – Metallurgy – 07 – C

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C07C 2/08 (2006.01) B01J 8/22 (2006.01) C07C 2/26 (2006.01) C07C 2/32 (2006.01) C08F 10/00 (2006.01) C08F 110/02 (2006.01)

Patent

CA 2499884

The invention pertains to a process for making a linear alpha-olefin oligomer in a reactor comprising a liquid and a gas phase, comprising the steps of catalytically oligomerizing ethylene in the presence of a nickel, palladium, cobalt, titanium, zirconium, hafnium, vanadium, chromium, molybdenum or tungsten complex, to the alpha-olefin oligomer with an average molecular weight between 50 and 350 under release of heat, and removing the heat with a heat exchanger, which is not in direct contact with the liquid phase, using at least part of the gas phase as a coolant medium. The invention further relate to an apparatus to perform said process.

L'invention concerne un procédé de fabrication d'un oligomère d'alpha-oléfine linéaire dans un réacteur renfermant une phase liquide et une phase gazeuse, caractérisé en ce qu'on effectue une oligomérisation catalytique de l'éthylène, en présence d'un complexe de nickel, palladium, cobalt, titane, zirconium, hafnium, vanadium, chrome, molybdène ou tungstène, conduisant à un oligomère d'alpha-oléfine, d'un poids moléculaire moyen compris entre 50 et 350, avec dégagement de chaleur, et en ce qu'on élimine la chaleur au moyen d'un échangeur thermique qui n'est pas en contact direct avec la phase liquide, en utilisant au moins une partie de la phase gazeuse comme fluide réfrigérant. L'invention concerne en outre un appareil pour la mise en oeuvre de ce procédé.

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