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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
Source PublicationAPPLIED ENERGY
Volume87Issue:9Pages:2886-2891
AbstractThe 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.
SubtypeArticle
KeywordUpgrading Fast Pyrolysis Bio-oil Esterification Hydrotreatment Moni/gamma-al2o3 Catalyst
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.apenergy.2009.10.028
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordBIO-OIL ; PART 1 ; HYDRODEOXYGENATION ; EMULSIONS ; PRESSURE ; HYDROGEN ; ENGINES ; DIESEL
Indexed BySCI ; ISTP
Language英语
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000279710500018
Citation statistics
Cited Times:63[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10328
Collection中国科学院广州能源研究所
Affiliation1.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
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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