Process for preparing butene oligomer from field butane

Details Process for preparing butene oligomer from field butane Process for preparing butene oligomer from field butane

C - Chemistry, Metallurgy

07

C

C07C 9/16 (2006.01) C07C 2/08 (2006.01) C07C 9/21 (2006.01) C07C 11/02 (2006.01) C07C 29/141 (2006.01) C07C 29/16 (2006.01) C07C 29/36 (2006.01) C07C 31/125 (2006.01) C07C 45/50 (2006.01) C07C 51/14 (2006.01) C07C 51/16 (2006.01) C07C 53/126 (2006.01) C10L 1/16 (2006.01)

Patent

CA 2354280

Disclosed is a process for preparing di-iso-butane and optionally butene oligomers from field butane, in which (a) the field butane 1 is dehydrogenated in a dehydrogenation stage 2, (b) the dehydrogenation mixture 3 is oligomerized in an oligomerization stage 8, (c) the oligomerization mixture is separated into di-iso-butene, and residual gas, and (d) the di- iso-butene is hydrogenated to give di-iso-butane. The di-iso- butane can be used as fuel additive. The oligomerization products di-n-butene and tri-butene are useful as starting materials for preparing plasticizer alcohols and detergent bases. By incorporating an isomerization stage 24 or not, the process may be controlled in such a manner that the only di- butene formed is di-iso-butene or both di-iso-butene and di-n- butene.

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