Effect of Butadiene in Catalytic Trimerization of Isobutene Using Commercial C4 Feeds 


Vol. 29,  No. 1, pp. 57-0, Jan.  2008
10.5012/bkcs.2008.29.1.057


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  Abstract

Catalytic oligomerization of isobutene to produce triisobutenes has been performed over a cation-exchange resin (Amberlyst-35) by using commercial 4 feeds. The catalytic activity in the oligomerization was retained without deactivation up to 90 h of reaction in a simulated reaction feed without butadiene, but its activity was significantly affected by the presence of butadiene in commercial 4 feeds. The isobutene conversion with time-on-stream was significantly decreased in the presence of butadiene, indicating the catalyst deactivation by butadiene. However, the stable activity for trimerization was accomplished when the oligomerization was carried out after eliminating butadiene by hydrogenation of the feeds. This work demonstrates that butadiene plays a role as a catalyst poison on the solid acid catalyst, so that its removal in the reactant feed is essential for practical application of trimerization.

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  Cite this article

[IEEE Style]

J. W. Yoon, S. H. Jhung, J. S. Lee, T. Kim, H. Lee, J. Chang, "Effect of Butadiene in Catalytic Trimerization of Isobutene Using Commercial C4 Feeds," Bulletin of the Korean Chemical Society, vol. 29, no. 1, pp. 57-0, 2008. DOI: 10.5012/bkcs.2008.29.1.057.

[ACM Style]

Ji Woong Yoon, Sung Hwa Jhung, Ji Sun Lee, Tae-Jin Kim, Hee-Du Lee, and Jong-San Chang. 2008. Effect of Butadiene in Catalytic Trimerization of Isobutene Using Commercial C4 Feeds. Bulletin of the Korean Chemical Society, 29, 1, (2008), 57-0. DOI: 10.5012/bkcs.2008.29.1.057.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949