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High yield of pentane production by aqueous-phase reforming of xylitol over Ni/HZSM-5 and Ni/MCM22 catalysts
Jiang, Ting1,2; Zhang, Qing1; Wang, Tie-Jun1; Zhang, Qi1; Ma, Long-Long1
2012-07-01
发表期刊ENERGY CONVERSION AND MANAGEMENT
卷号59页码:58-65
摘要Ni/HZSM-5 and Ni/MCM22 catalysts with different Ni loadings were prepared by impregnation method and evaluated for aqueous-phase reforming (APR) reaction of xylitol at 240 degrees C and 4 MPa. Effects of Ni loadings on the xylitol conversion and pentane selectivity of the catalyst was investigated. The results showed that the catalytic activities of the two Ni/HZSM-5 and Ni/MCM22 catalysts both increased with increasing Ni loading in the range of 0-2%. and then decreased as Ni loading further increased to 4%. Maximum pentane yields of 91% and 95% could be obtained over 2%Ni/HZSM-5 and 2%Ni/MCM22, respectively. 2%Ni/HZSM-5 deactivated obviously after five recycle runs, while 2%Ni/MCM22 still kept excellent activity with the pentane yield of 90-95%. The catalysts with different Ni loading were characterized by BET, H-2-TPR and NH3-TPD techniques and the used selected 2%Ni/MCM22 and 2%Ni/HZSM-5 catalyst were also characterized by XRD, FTIR and TG. The characterization results revealed that 2%Ni/MCM22 and 2%Ni/HZSM-5 have similar amounts of Ni active sites, while the 2%Ni/MCM22 has larger surface area, more mesopore and less strong acid sites than the 2%Ni/HZSM-5. Moreover, partial dealumination and coke formation of the used 2%Ni/HZSM-5 catalyst were found. All these factors resulted in the deactivation of 2%Ni/HZSM-5 after five recycle runs. (C) 2012 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Xylitol Ni/mcm22 Pentane Aqueous-phase Reforming Ni/hzsm-5
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.enconman.2012.02.010
研究领域[WOS]Thermodynamics ; Energy & Fuels ; Mechanics ; Physics
关键词[WOS]TEMPERATURE-PROGRAMMED DESORPTION ; OXYGENATED HYDROCARBONS ; LIQUID ALKANES ; ZEOLITE MCM-22 ; BIOMASS ; CONVERSION ; SORBITOL ; HYDROGEN ; BIOREFINERY ; PERFORMANCE
收录类别SCI
语种英语
WOS类目Thermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS记录号WOS:000304513000008
引用统计
被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10591
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 10049, Peoples R China
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GB/T 7714
Jiang, Ting,Zhang, Qing,Wang, Tie-Jun,et al. High yield of pentane production by aqueous-phase reforming of xylitol over Ni/HZSM-5 and Ni/MCM22 catalysts[J]. ENERGY CONVERSION AND MANAGEMENT,2012,59:58-65.
APA Jiang, Ting,Zhang, Qing,Wang, Tie-Jun,Zhang, Qi,&Ma, Long-Long.(2012).High yield of pentane production by aqueous-phase reforming of xylitol over Ni/HZSM-5 and Ni/MCM22 catalysts.ENERGY CONVERSION AND MANAGEMENT,59,58-65.
MLA Jiang, Ting,et al."High yield of pentane production by aqueous-phase reforming of xylitol over Ni/HZSM-5 and Ni/MCM22 catalysts".ENERGY CONVERSION AND MANAGEMENT 59(2012):58-65.
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