Combined in Situ XAFS and FTIR Study of the Hydrodeoxygenation Reaction of 2-Methyltetrahydrofuran on Ni 2 P/SiO 2 - Details

author：

Iino, A. (Iino, A..) ^[1] | Takagaki, A. (Takagaki, A..) ^[2] | Kikuchi, R. (Kikuchi, R..) ^[3] | Oyama, S.T. (Oyama, S.T..) ^[4] | Bando, K.K. (Bando, K.K..) ^[5]

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Abstract：

This　paper　deals　with　a　study　of　the　mechanism　of　hydrodeoxygenation　(HDO)　at　0.1　MPa　and　300-350　°C　of　2-methyltetrahydrofuran　(2-MTHF)　over　a　Ni　2　P/SiO　2　catalyst.　The　study　was　conducted　using　in　situ　Fourier　transform　infrared　(FTIR)　spectroscopy　to　monitor　the　adsorbed　species　during　reaction　and　in　situ　X-ray　absorption　fine　structure　(XAFS)　to　probe　the　oxidation　state　of　the　Ni　component.　The　work　is　relevant　to　the　upgrading　of　bio-oil　derived　from　the　pyrolysis　of　biomass.　It　was　deduced　that　the　initial　interaction　of　the　2-MTHF　was　with　OH　groups　on　the　catalyst　surface,　followed　by　adsorption　on　Ni　sites.　Ring-opening　of　the　tetrahydrofuran　led　to　the　formation　of　the　main　products　of　the　reaction,　n-pentane　by　HDO　and　n-butane　+　CO　by　decarbonylation.　The　CO　band　appeared　with　a　slight　delay　in　the　FTIR　spectrum　because　the　reaction　to　form　n-pentane　was　favored　and　turned　over　about　four　times　before　one　n-butane　+　CO　was　formed.　Copyright　©　2018　American　Chemical　Society.

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[ 1 ] [Iino, A.]Department of Chemical Systems Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
[ 2 ] [Takagaki, A.]Department of Chemical Systems Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
[ 3 ] [Takagaki, A.]College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China
[ 4 ] [Kikuchi, R.]Department of Chemical Systems Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
[ 5 ] [Oyama, S.T.]Department of Chemical Systems Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
[ 6 ] [Oyama, S.T.]College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China
[ 7 ] [Oyama, S.T.]Department of Chemical Engineering, Virginia Tech, Blacksburg, VA 24061, United States
[ 8 ] [Bando, K.K.]Nanosystem Research Institute, Research Group for Nanoscientific Measurements, National Institute of Advanced Industrial Science and Technology, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan

Reprint 's Address：

[Oyama, S.T.]Department of Chemical Systems Engineering, University of Tokyo, 7-3-1 Hongo, Japan

Email：

oyama@vt.edu

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Source ：

Journal of Physical Chemistry C

ISSN： 1932-7447

Year： 2019

Issue： 13

Volume： 123

Page： 7633-7643

4 . 1 8 9

JCR@2019

3 . 3 0 0

JCR@2023

ESI HC Threshold：184

JCR Journal Grade：2

CAS Journal Grade：3

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ESI Highly Cited Papers on the List： 0 Unfold All

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