Oligomerization of olefins

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 2/02 (2006.01) C07C 2/08 (2006.01) C07C 2/26 (2006.01)

Patent

CA 2383924

A process for oligomerizing at least one heavy olefin having at least 5 carbon atoms per molecule in the presence of at least one co-fed light olefin having less than 5 carbon atoms per molecule is disclosed. The presence of the at least one co-fed light olefin results in increased C6=(C6 olefin) conversion (if present as one of the at least one heavy olefins), increased weight % of C11+ hydrocarbons in the C9+ material of the product and increased cetane of the C9+ material of the product as compared to the oligomerization of the at least one heavy olefin without the co-fed at least one light olefin.

L'invention concerne un procédé d'oligomérisation d'au moins une oléfine lourde pourvue d'au moins 5 atomes de carbone par molécule en présence d'au moins une oléfine légère co-alimentée ayant moins de 5 atomes de carbone par molécule. La présence de l'oléfine légère co-alimentée produit une conversion accrue de C6= (C6 oléfine) (si elle est présente en tant que ladite oléfine lourde), un pourcentage en poids accru d'hydrocarbures à C11+ dans le matériau à C9+ du produit et un cétane accru du matériau à C9+ du produit par rapport à l'oligomérisation de ladite oléfine lourde sans l'oléfine légère co-alimentée.

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