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In situ hydrodeoxygenation of phenol with liquid hydrogen donor over three supported noble-metal catalysts
Zeng, Ying; Wang, Ze1; Lin, Weigang; Song, Wenli
2017-07-15
发表期刊CHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
卷号320页码:55-62
摘要In situ hydrodeoxygenation of phenol with liquid hydrogen donor over three supported Pd, Pt, and Ru catalysts was investigated. The method of incipient wetness impregnation was used to load the three noble metals on the support of MCM-41, which is a cylindrical mesoporous material with a hierarchical structure. The in situ hydrodeoxygenation of phenol was conducted at 280 degrees C, under pressures from saturated vapor of solvent and compressed initial N-2 with gas products. Among the three catalysts, Ru/MCM-41 was found to be the best one, with highest phenol conversion of 73.9% and deoxygenation degree of 72.2%. The performance of Ru/MCM-41 increased with increasing theoretical loading amount of Ru and with reduction temperature. However, when the reduction temperature reached to 500 degrees C, or the Ru theoretical loading amount increased to 15 wt%, the activity of Ru/MCM-41 decreased reversely. Through the characterizations by small-angle XRD, wide-angle XRD, H-2-TPR, and SEM analysis, the reason for the deteriorated performance of Ru/MCM-41 under high reduction temperature or high Ru loading amount was deduced as the collapse of MCM-41 structure and severe overlaps of Ru atoms. Hydrogen donors were also tested, and formic acid was found in best performance owing to its fast decomposition rate and high productivity of hydrogen. Though an increased feed ratio of formic acid to phenol could improve the hydrodeoxygenation potential of phenol, much simultaneously generated CO. from decomposition of formic acid might occupy active sites of the catalyst and led to a decreased growth rate of phenol conversion. (C) 2017 Elsevier B.V. All rights reserved.
关键词Phenol In Situ Hydrodeoxygenation Hydrogen Donor Catalysis
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cej.2017.03.028
收录类别SCI
语种英语
关键词[WOS]BIO-OIL ; AQUEOUS-PHASE ; GENERATED HYDROGEN ; MODEL COMPOUNDS ; FORMIC-ACID ; ALKANES ; DECOMPOSITION ; BIOMASS ; FUELS ; PD
WOS研究方向Engineering
WOS类目Engineering, Environmental ; Engineering, Chemical
项目资助者National Natural Science Foundation of China(51476180) ; International S&T Cooperation Program of China(2013DFG62640)
WOS记录号WOS:000401202200008
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22549
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sino Danish Coll, Beijing 100190, Peoples R China
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Zeng, Ying,Wang, Ze,Lin, Weigang,et al. In situ hydrodeoxygenation of phenol with liquid hydrogen donor over three supported noble-metal catalysts[J]. CHEMICAL ENGINEERING JOURNAL,2017,320:55-62.
APA Zeng, Ying,Wang, Ze,Lin, Weigang,&Song, Wenli.(2017).In situ hydrodeoxygenation of phenol with liquid hydrogen donor over three supported noble-metal catalysts.CHEMICAL ENGINEERING JOURNAL,320,55-62.
MLA Zeng, Ying,et al."In situ hydrodeoxygenation of phenol with liquid hydrogen donor over three supported noble-metal catalysts".CHEMICAL ENGINEERING JOURNAL 320(2017):55-62.
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