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Open AccessArticle

Selective Production of Aromatics from 2-Octanol on Zinc Ion-Exchanged MFI Zeolite Catalysts

1
Research and Development Initiative, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
2
Technology Development Division, Toray Fine Chemicals Co., Ltd., 2-3 Chigusakaigan, Ichihara, Chiba 299-0196, Japan
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Rafael Luque
Catalysts 2015, 5(4), 2122-2133; https://doi.org/10.3390/catal5042122
Received: 13 November 2015 / Revised: 30 November 2015 / Accepted: 30 November 2015 / Published: 10 December 2015
(This article belongs to the Special Issue Catalytic Conversion of Biomass)
The aromatization of 2-octanol derived from castor oil as a byproduct in the formation of sebacic acid was investigated on various zeolite catalysts. Zn ion-exchanged MFI (ZSM-5) zeolites with small silica/alumina ratios and zinc contents of 0.5 to 2.0 wt. % were determined to exhibit good and stable activity for the reaction at 623 to 823 K. The yield of aromatics was 62% at 773 K and the space velocity 350 to 1400 h−1. The temperature and contact time dependences of the product distributions indicated the reaction pathways of 2-octanol→dehydration to 2-octene→decomposition to C5 and C3 compounds→further decomposition to small alkanes and alkenes→aromatization with dehydrogenation. Alcohols with carbon numbers of 5 to 8 exhibited similar distributions of products compared to 2-octanol, while corresponding carbonyl compounds demonstrated different reactivity. View Full-Text
Keywords: 2-octanol; aromatization; MFI zeolites; zinc ion; biomass 2-octanol; aromatization; MFI zeolites; zinc ion; biomass
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MDPI and ACS Style

Iwamoto, M.; Takezawa, R.; Morimoto, M. Selective Production of Aromatics from 2-Octanol on Zinc Ion-Exchanged MFI Zeolite Catalysts. Catalysts 2015, 5, 2122-2133.

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