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Selectivity for dimers in pentene oligomerization over acid zeolites

Paper ID Volume ID Publish Year Pages File Format Full-Text
49226 46724 2016 5 PDF Available
Title
Selectivity for dimers in pentene oligomerization over acid zeolites
Abstract

•Zeolite framework type plays a strong role in selectivity in acid-catalyzed dimerization.•Medium to large pore zeolites are active for dimerization and cracking (MFI, FAU, BEA).•FER is highly selective for dimers, with little cracking due to small pore size.•MOR shows high selectivity for dimer cracking, with only one cracking pathway observed.

The reactions of 1-pentene over acid zeolites were investigated in the liquid phase at 473 K. The primary reactions were isomerization, dimerization, and subsequent cracking of dimers. Zeolites consisting of only 10-membered (MFI) or 12-membered rings (FAU, BEA) behaved similarly, with dimerization and subsequent cracking products observed. Zeolites possessing 8-membered rings (MOR, FER) showed very different selectivity from each other and from other zeolites. MOR showed almost complete conversion of C10 olefins, such that hexene and butene from cracking were the dominant products. FER showed high activity and selectivity for dimerization, with very small amounts of cracking products observed.

Keywords
1-pentene; Oligomerization; Dimerization; Zeolite; Ferrierite; Cracking
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Selectivity for dimers in pentene oligomerization over acid zeolites
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 75, 5 February 2016, Pages 98–102
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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