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Upgrading of the liquid fuel from fast pyrolysis of biomass over MoNi/gamma-Al2O3 catalysts
Xu, Ying1,3; Wang, Tiejun1,2; Ma, Longlong1,2; Zhang, Qi1,2; Liang, Wei1,3
2010-09-01
发表期刊APPLIED ENERGY
卷号87期号:9页码:2886-2891
摘要The hydrotreatment of bio-oil, which obtained from fast pyrolysis of pine sawdust, was investigated over MoNi/gamma-Al2O3 catalyst under mild conditions (373 K, 3 MPa hydrogen pressure). Acetic acid was taken as a model compound to investigate the effects of Mo promoter contents and reducing temperatures of catalysts on the catalysts activity under the condition of 473 K and 3 MPa hydrogen pressure. X-ray diffraction and temperature programmed reduction showed that the addition of Mo promoter benefited the uniformity of nickel species and inhibited the formation of NiAl2O4 spinel in the catalysts. The GC spectrum of liquid products showed the mechanism of the model reaction. The maximum conversion of acetic acid (33.20%) was attained over 0.06MoNi/gamma-Al2O3 catalysts being reduced at 873 K. This catalyst was chosen for the upgrading of raw bio-oil. After the upgrading process, the pH value of the bio-oil increased from 2.33 to 2.77. The water content increased from 35.52 wt.% to 41.55 wt.% and the gross calorific value increased from 13.96 MJ/kg to 14.17 MJ/kg. The hydrogen content in the bio-oil increased from 6.25 wt.% to 6.95 wt.%. The product properties of the upgraded bio-oil, particularly the hydrogen content and the acidity were considerably improved. The results of gas chromatography-mass spectrometry analysis showed that both hydrotreatment and esterification had happened over 0.06MoNi/gamma-Al2O3 (873) catalyst during the upgrading process. (C) 2009 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Upgrading Fast Pyrolysis Bio-oil Esterification Hydrotreatment Moni/gamma-al2o3 Catalyst
WOS标题词Science & Technology ; Technology
DOI10.1016/j.apenergy.2009.10.028
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]BIO-OIL ; PART 1 ; HYDRODEOXYGENATION ; EMULSIONS ; PRESSURE ; HYDROGEN ; ENGINES ; DIESEL
收录类别SCI ; ISTP
语种英语
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000279710500018
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10328
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, Guangzhou, Guangdong, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou, Guangdong, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
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Xu, Ying,Wang, Tiejun,Ma, Longlong,et al. Upgrading of the liquid fuel from fast pyrolysis of biomass over MoNi/gamma-Al2O3 catalysts[J]. APPLIED ENERGY,2010,87(9):2886-2891.
APA Xu, Ying,Wang, Tiejun,Ma, Longlong,Zhang, Qi,&Liang, Wei.(2010).Upgrading of the liquid fuel from fast pyrolysis of biomass over MoNi/gamma-Al2O3 catalysts.APPLIED ENERGY,87(9),2886-2891.
MLA Xu, Ying,et al."Upgrading of the liquid fuel from fast pyrolysis of biomass over MoNi/gamma-Al2O3 catalysts".APPLIED ENERGY 87.9(2010):2886-2891.
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