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Aqueous-phase hydrodeoxygenation of 4-propylphenol as a lignin model to n-propylbenzene over Re-Ni/ZrO2 catalysts

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Title: Aqueous-phase hydrodeoxygenation of 4-propylphenol as a lignin model to n-propylbenzene over Re-Ni/ZrO2 catalysts
Authors: Feng, Bo Browse this author
Kobayashi, Hirokazu Browse this author
Ohta, Hidetoshi Browse this author
Fukuoka, Atsushi Browse this author →KAKEN DB
Keywords: Hydrodeoxygenation
Lignin model
Ni catalysts
Water
Issue Date: Jul-2014
Publisher: Elsevier
Journal Title: Journal of Molecular Catalysis A : Chemical
Volume: 388-389
Start Page: 41
End Page: 46
Publisher DOI: 10.1016/j.molcata.2013.09.025
Abstract: Aqueous-phase hydrodeoxygenation of 4-propylphenol as a lignin model to n-propylbenzene was carried out over various Ni based catalysts. Among the catalysts tested, Re-Ni/ZrO2 showed the best catalytic performance. Addition of Re decreased the Ni particle size and greatly improved the catalytic activity. H-2 pressure, Re to Ni ratio and reaction temperature were tuned in the optimization of reaction conditions for favorable formation of n-propylbenzene. Under the conditions of 300 degrees C and 4 MPa H-2, the yield of n-propylbenzene reached 54% over Re-Ni/ZrO2 (Re/Ni ratio 0.33) catalyst. It is suggested that the formation of n-propylbenzene proceeds via the hydrogenation of 4-propylphenol to form 4-propylcyclohexanol, followed by the dehydration to give 4-propylcyclohexene and the subsequent dehydrogenation to n-propylbenzene.
Type: article (author version)
URI: http://hdl.handle.net/2115/57014
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 福岡 淳

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