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题名: Hydrogen Production by Aqueous-Phase Reforming of Biomass over Supported Pt Catalysts
作者: Wen Guodong1, 2;  Xu Yunpeng1;  Wei Ying1, 2;  Pei Renyan1, 2;  Li Keda1, 2;  Xu Zhusheng1;  Tian Zhijian1, 3
关键词: platinum ;  activated carbon ;  glycerol ;  glucose ;  biomass ;  hydrogen production ;  aqueous-phase reforming
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2009-08-01
卷: 30, 期:8, 页:830-835
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Pt catalysts supported on Al(2)O(3), activated carbon (AC), HUSY, and SiO(2) were prepared and characterized by N(2) physisorption, inductively coupled plasma atomic emission spectrometry, and H(2) chemisorption. The catalytic performance of these catalysts for H(2) production by aqueous-phase reforming (APR) of glycerol was studied. In addition, the reforming of different reactants such as polyols, glucose, and other soluble saccharides was also investigated. It was found that the activity of the supported Pt catalysts for the reforming of glycerol increased in the order Pt/AC < Pt/HUSY < Pt/SiO(2) < Pt/Al(2)O(3) at 503 K; however, the activity increased in another order Pt/SiO(2) < Pt/HUSY < Pt/AC < Pt/Al(2)O(3) at higher temperature (538 K). Pt catalysts supported on acidic supports such as Al(2)O(3) and HUSY tended to increase hydrocarbon formation. The H(2) selectivity and production rate for the reforming of polyols decreased with increasing carbon number. The H(2) selectivity and yield for the reforming of glucose decreased when the glucose concentration increased, while selectivity for hydrocarbon showed a maximum at glucose concentration of 4.6%, which was ascribed to the condensation and degradation reactions. Fructose is less readily reformed to H(2) than glucose. Higher H(2) Selectivity and yield were obtained by reforming of polysaccharide starch compared with those obtained by reforming of disaccharide maltose and monosaccharide glucose.
关键词[WOS]: ETHYLENE-GLYCOL ;  RENEWABLE HYDROGEN ;  SUBCRITICAL WATER ;  PARTICLE-SIZE ;  GLYCEROL ;  GLUCOSE ;  GENERATION ;  GASIFICATION ;  HYDROCARBONS ;  SUGAR
语种: 英语
WOS记录号: WOS:000270149200017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141282
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, 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, Liaoning, Peoples R China

Recommended Citation:
Wen Guodong,Xu Yunpeng,Wei Ying,et al. Hydrogen Production by Aqueous-Phase Reforming of Biomass over Supported Pt Catalysts[J]. CHINESE JOURNAL OF CATALYSIS,2009,30(8):830-835.
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