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Title: Hydrodeoxygenation of phenolic compounds to cycloalkanes over supported nickel phosphides

Abstract

SiO2, HZSM-5 and Al2O3 were used to support nickel phosphides to prepare hydrodeoxygenation (HDO) catalysts. The nickel loading was kept at 20 wt% while the Ni/P molar ratio was varied among 3, 2, and 1 in the preparation by incipient wetness impregnation. XRD characterization revealed that Ni3P, Ni12P5, and Ni2P as the major crystal phases were obtained at Ni/P ratio of 3, 2, and 1, respectively, on SiO2 and HZSM-5. When Al2O3 was used as the support, nickel metal rather than nickel phosphides was generated. Among SiO2-supported nickel phosphides, Ni3P exhibited highest hydrogenation activity and catalytic performance in phenol HDO. Ni3P/HZSM-5 showed the high catalytic performance in HDO of phenol as well as catechol and o-cresol, with Ni3P as the hydrogenation site and the acid sites in HZSM-5 zeolite as the dehydration site. The strong acidity in HZSM-5 also facilitated the isomerization of cycloalkanes at elevated temperatures.

Authors:
; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1492704
Report Number(s):
PNNL-SA-140474
Journal ID: ISSN 0920-5861
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Catalysis Today
Additional Journal Information:
Journal Volume: 319; Journal Issue: C; Journal ID: ISSN 0920-5861
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
Hydrodeoxygenation, phenolic compound, nickel phosphide

Citation Formats

Yu, Zhiquan, Wang, Anjie, Liu, Shan, Yao, Yunlong, Sun, Zhichao, Li, Xiang, Liu, Yingya, Wang, Yao, Camaioni, Donald M., and Lercher, Johannes A. Hydrodeoxygenation of phenolic compounds to cycloalkanes over supported nickel phosphides. United States: N. p., 2019. Web. doi:10.1016/j.cattod.2018.05.012.
Yu, Zhiquan, Wang, Anjie, Liu, Shan, Yao, Yunlong, Sun, Zhichao, Li, Xiang, Liu, Yingya, Wang, Yao, Camaioni, Donald M., & Lercher, Johannes A. Hydrodeoxygenation of phenolic compounds to cycloalkanes over supported nickel phosphides. United States. doi:10.1016/j.cattod.2018.05.012.
Yu, Zhiquan, Wang, Anjie, Liu, Shan, Yao, Yunlong, Sun, Zhichao, Li, Xiang, Liu, Yingya, Wang, Yao, Camaioni, Donald M., and Lercher, Johannes A. Tue . "Hydrodeoxygenation of phenolic compounds to cycloalkanes over supported nickel phosphides". United States. doi:10.1016/j.cattod.2018.05.012.
@article{osti_1492704,
title = {Hydrodeoxygenation of phenolic compounds to cycloalkanes over supported nickel phosphides},
author = {Yu, Zhiquan and Wang, Anjie and Liu, Shan and Yao, Yunlong and Sun, Zhichao and Li, Xiang and Liu, Yingya and Wang, Yao and Camaioni, Donald M. and Lercher, Johannes A.},
abstractNote = {SiO2, HZSM-5 and Al2O3 were used to support nickel phosphides to prepare hydrodeoxygenation (HDO) catalysts. The nickel loading was kept at 20 wt% while the Ni/P molar ratio was varied among 3, 2, and 1 in the preparation by incipient wetness impregnation. XRD characterization revealed that Ni3P, Ni12P5, and Ni2P as the major crystal phases were obtained at Ni/P ratio of 3, 2, and 1, respectively, on SiO2 and HZSM-5. When Al2O3 was used as the support, nickel metal rather than nickel phosphides was generated. Among SiO2-supported nickel phosphides, Ni3P exhibited highest hydrogenation activity and catalytic performance in phenol HDO. Ni3P/HZSM-5 showed the high catalytic performance in HDO of phenol as well as catechol and o-cresol, with Ni3P as the hydrogenation site and the acid sites in HZSM-5 zeolite as the dehydration site. The strong acidity in HZSM-5 also facilitated the isomerization of cycloalkanes at elevated temperatures.},
doi = {10.1016/j.cattod.2018.05.012},
journal = {Catalysis Today},
issn = {0920-5861},
number = C,
volume = 319,
place = {United States},
year = {2019},
month = {1}
}