Oligomerization of isobutene over aluminum chloride-loaded USY zeolite catalysts

Ji Woong Yoon, Ji Sun Lee, Sung Hwa Jhung, Kwan Young Lee, Jong San Chang

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19 Scopus citations


Oligomerization of isobutene has been investigated over AlCl 3-loaded USY zeolite catalysts in order to produce triisobutenes or remove/separate isobutene from C4 streams. Stable isobutene conversion and high selectivity for trimers and tetramers were attained over the modified zeolite with high ratio of Lewis acid site-to-Brønsted acid site, suggesting that a potential trimerization catalyst can be obtained easily by loading a Lewis acid into an acidic zeolite catalyst. This catalyst can be facially produced by physical mixing and can be easily restored its activity after deactivation by simple calcinations.

Original languageEnglish
Pages (from-to)631-634
Number of pages4
JournalJournal of Porous Materials
Issue number6
StatePublished - Dec 2009


  • Aluminum chloride
  • Lewis acid site
  • Oligomerization
  • Physical mixing


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