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The H-2-Treated TiO2 Supported Pt Catalysts Prepared by Strong Electrostatic Adsorption for Liquid-Phase Selective Hydrogenation

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Title: The H-2-Treated TiO2 Supported Pt Catalysts Prepared by Strong Electrostatic Adsorption for Liquid-Phase Selective Hydrogenation
Authors: Kuhaudomlap, Sasithorn Browse this author
Mekasuwandumrong, Okorn Browse this author
Praserthdam, Piyasan Browse this author
Fujita, Shin-Ichiro Browse this author →KAKEN DB
Arai, Masahiko Browse this author →KAKEN DB
Panpranot, Joongjai Browse this author
Keywords: Pt/TiO2
nitrostyrene hydrogenation
sol-gel TiO2
strong electrostatic adsorption
Issue Date: Feb-2018
Publisher: MDPI
Journal Title: Catalysts
Volume: 8
Issue: 2
Start Page: 87
Publisher DOI: 10.3390/catal8020087
Abstract: The H-2-treated TiO2 supported Pt catalysts were prepared by strong electrostatic adsorption method and tested in the liquid-phase selective hydrogenation of various organic compounds such as 3-nitrostyrene to vinylaniline (VA) and furfural to furfuryl alcohol (FA). A combination of high Pt dispersion, strong interaction of Pt-TiOx, and the presence of low coordination Pt sites was necessary for high hydrogenation activity. However, while the selectivity of VA in 3-nitrostyrene hydrogenation did not depend much on the catalyst preparation method used, the selectivity of FA in furfural hydrogenation was much higher when the catalysts were prepared by SEA, comparing to those obtained by impregnation in which the solvent product was formed, due probably to the non-acidic conditions used during Pt loading by SEA method.
Rights: © 2018 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/).
http://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/70126
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 藤田 進一郎

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