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学科主题物理化学
Preparation of Ce-modified Raney Ni Catalysts and Their Application in Aqueous-Phase Reforming of Cellulose
Wen, Guodong1; Xu, Yunpeng1; Liu, Qianhe1,2; Wang, Congxin1,2; Liu, Hao1,2; Tian, Zhijian1,3; Wen GD(温国栋)
关键词Aqueous-phase Reforming Cellulose Hydrogen Raney Ni Catalyst Ce
刊名CATALYSIS LETTERS
2011-12-01
ISSN1011-372X
DOI10.1007/s10562-011-0712-1
141期:12页:1851-1858
收录类别SCI
文章类型Article
部门归属DNL08
项目归属DNL0802
产权排名1,1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]BIOMASS-DERIVED HYDROCARBONS ; ETHYLENE-GLYCOL ; HYDROGEN-PRODUCTION ; XPS ; SURFACES ; GLUCOSE ; METAL ; WATER ; CO ; REDUCTION
英文摘要A series of Ce-modified Raney Ni (RNi) catalysts were successfully prepared by a simple wet chemical route and employed in aqueous-phase reforming of cellulose. Remarkable enhancement in hydrogen selectivity and yield after the Ce introduction was observed. At 533 K and autogenous pressure, a highest hydrogen yield of 17.8 mmol/g(cellulose), which was comparable with that of 5 wt% Pt/AC, could be obtained over Ce-modified catalyst at a Ce:Ni ratio of 0.054. The catalysts were characterized by N-2 adsorption/desorption, XRD, SEM, XPS and H-2-TPD. It was found that cerium existed at the surface of the catalyst as Ce(OH)(3), and more defects were generated during Ce modification. Based on the characterization and catalytic performance, it was suggested that the deposited Ce(OH)(3) may transform into reducible CeO2 under the reaction conditions, thus promoting the desired water-gas shift reaction, leading to more H-2. On the other hand, the active sites for undesired methanation reaction may be effectively poisoned by Ce modification, thus leading to less undesired methane.
语种英语
WOS记录号WOS:000299919300017
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/118537
专题中国科学院大连化学物理研究所
通讯作者Wen GD(温国栋)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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GB/T 7714
Wen, Guodong,Xu, Yunpeng,Liu, Qianhe,et al. Preparation of Ce-modified Raney Ni Catalysts and Their Application in Aqueous-Phase Reforming of Cellulose[J]. CATALYSIS LETTERS,2011,141(12):1851-1858.
APA Wen, Guodong.,Xu, Yunpeng.,Liu, Qianhe.,Wang, Congxin.,Liu, Hao.,...&温国栋.(2011).Preparation of Ce-modified Raney Ni Catalysts and Their Application in Aqueous-Phase Reforming of Cellulose.CATALYSIS LETTERS,141(12),1851-1858.
MLA Wen, Guodong,et al."Preparation of Ce-modified Raney Ni Catalysts and Their Application in Aqueous-Phase Reforming of Cellulose".CATALYSIS LETTERS 141.12(2011):1851-1858.
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