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Production of liquid alkanes by controlling reactivity of sorbitol hydrogenation with a Ni/HZSM-5 catalyst in water
Zhang, Qing; Wang, Tiejun; Xu, Ying; Zhang, Qi; Ma, Longlong
2014
发表期刊ENERGY CONVERSION AND MANAGEMENT
卷号77页码:262-268
摘要Liquid fuels derived from renewable biomass are of great importance on the potential substitution for diminishing fossil fuels. The conversion of sorbitol (a product of biomass-derived glucose hydrogenation) into liquid alkanes such as pentane and hexane over the Ni/HZSM-5 catalysts with or without MCM-41 addition was investigated in the presence of hydrogen in water medium. The production distribution of sorbitol hydrogenation can be controlled by adjusting the acidity of the catalyst. The scission of C-C bond in the sorbitol molecule into light C-1-C-4 alkanes was mainly carried out over Ni/HZSM-5 containing strong Bronsted acid sites, while C-O bond scission into heavier alkanes was dominated over the catalysts added by MCM-41 containing weak Lewis acid sites. The sorbitol conversion and total liquid alkanes selectivity were found to be 67.1% and 98.7% over 2%Ni/HZSM-5 modified by 40 wt% of MCM-41, whereas the corresponding value was 40% and 35.6% over 2%Ni/HZSM-5 in the absence of MCM-41. The effect of MCM-41 on the structure, acidity, and reducibility of Ni/HZSM-5 was investigated by using XRD, Py-IR, IR, and H-2-TPR. Meanwhile, the resistance of carbon deposition over the catalyst modified by MCM-41 was studied by using TG-DSC technique. MCM-41 was found to have a positive interaction with HZSM-5 on the modulation of its structure properties and acidity, accompanying by the improvement on the reducibility of the catalyst. In addition, MCM-41 can distinctly decrease carbon deposition on the catalyst surface. These roles can favor the selective hydrodeoxygenation of C-O bond in the sorbitol molecule to generate liquid alkanes. (C) 2013 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Liquid Alkane Sorbitol Ni/hzsm-5 Catalyst Mcm-41 Characterization
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.enconman.2013.09.032
研究领域[WOS]Thermodynamics ; Energy & Fuels ; Mechanics ; Physics
关键词[WOS]TRANSPORTATION FUELS ; AQUEOUS-PHASE ; MESOPOROUS MATERIALS ; ETHANOL-PRODUCTION ; BED REACTOR ; BIO-OIL ; BIOMASS ; MCM-41 ; CONVERSION ; HYDROCARBONS
收录类别SCI
语种英语
WOS类目Thermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS记录号WOS:000330494600029
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10640
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
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Zhang, Qing,Wang, Tiejun,Xu, Ying,et al. Production of liquid alkanes by controlling reactivity of sorbitol hydrogenation with a Ni/HZSM-5 catalyst in water[J]. ENERGY CONVERSION AND MANAGEMENT,2014,77:262-268.
APA Zhang, Qing,Wang, Tiejun,Xu, Ying,Zhang, Qi,&Ma, Longlong.(2014).Production of liquid alkanes by controlling reactivity of sorbitol hydrogenation with a Ni/HZSM-5 catalyst in water.ENERGY CONVERSION AND MANAGEMENT,77,262-268.
MLA Zhang, Qing,et al."Production of liquid alkanes by controlling reactivity of sorbitol hydrogenation with a Ni/HZSM-5 catalyst in water".ENERGY CONVERSION AND MANAGEMENT 77(2014):262-268.
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