Oligomerization of 1-butene over carbon-supported CoOx and subsequent isomerization/hydroformylation to n-nonanal

A two-step process was demonstrated for the conversion of 1-butene to n-nonanal with an overall reaction selectivity of 70.8%. The process consists of a dimerization step over a heterogeneous carbon-supported cobalt oxide catalyst to a mixture of oligomers, consisting primarily of internal linear oc...

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Bibliographic Details
Published inCatalysis communications Vol. 114; pp. 93 - 97
Main Authors Chada, Joseph P., Xu, Zhuoran, Zhao, Dongting, Watson, Rick B., Brammer, Mick, Bigi, Marinus, Rosenfeld, Devon C., Hermans, Ive, Huber, George W.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.08.2018
Subjects
Cobalt oxide
Hydroformylation
Linear oligomerization
Olefin oligomerization
Olefin upgrading
Cobalt oxide
Olefin oligomerization
Linear oligomerization
Hydroformylation
Olefin upgrading
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Summary:A two-step process was demonstrated for the conversion of 1-butene to n-nonanal with an overall reaction selectivity of 70.8%. The process consists of a dimerization step over a heterogeneous carbon-supported cobalt oxide catalyst to a mixture of oligomers, consisting primarily of internal linear octenes. After product distillation, the olefinic mixture was converted to C9 aldehydes with a normal/isomeric (N/I) ratio of 3.8 over a homogeneous Rh/BIPHEPHOS catalyst. This work demonstrates a new route to produce linear aldehydes from light olefins. [Display omitted] •Process for combined oligomerization and subsequent hydroformylation of light olefins•Linear olefin oligomerization selectivity can be controlled by reaction temperature.•Constant linear oligomerization selectivity as a function of time-on-stream
ISSN:1566-7367
1873-3905
DOI:10.1016/j.catcom.2018.06.021