Process for preparing butene oligomers from field butanes

Details Process for preparing butene oligomers from field butanes Process for preparing butene oligomers from field butanes

C - Chemistry, Metallurgy

07

C

C07C 11/02 (2006.01) C07C 2/06 (2006.01) C07C 5/333 (2006.01) C07C 5/373 (2006.01) C07C 7/04 (2006.01) C07C 7/13 (2006.01) C07C 9/14 (2006.01) C07C 29/16 (2006.01)

Patent

CA 2211306

Disclosed is a process for preparing butene oligomers from field butane, in which (a) n-butane and isobutane present in the field butane 1 are dehydrogenated in a dehydrogenation stage 2 and (b) the dehydrogenation mixture 3 is oligomerized in an oligomerization stage 8. The oligomerization products dibutene and tributene may be used as starting materials for preparing plasticizer alcohols and detergent bases. By incorporating an isomerization stage 24, the process may be controlled in such a manner that the only dibutene formed is di-n-butene or di-isobutene.

Méthode pour préparer des oligomères de butène à partir de butane naturel, consistant à (a) déshydrogéner le n-butane et l'isobutane présents dans le butane naturel 1 lors d'une étape de déshydrogénation, (b) à oligomériser le mélange de déshydrogénation 3 dans une étape d'oligomérisation 8. Les produits d'oligomérisation dibutène et tributène peuvent servir comme produits de départ pour préparer des alcools plastifiants et des bases pour détergents. Grâce à une étape d'isomérisation 24, le procédé peut être contrôlé pour limiter la formation de dibutène au di-n-butène ou au di-isobutène.

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