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Upgrading of bio-oil to boiler fuel by catalytic hydrotreatment and esterification in an efficient process
Zhang, Xinghua1; Chen, Lungang1; Kong, Wei2; Wang, Tiejun1; Zhang, Qi1; Long, Jinxing1; Xu, Ying1; Ma, Longlong1
2015-05-01
Source PublicationENERGY
Volume84Pages:83-90
AbstractBio-oil can't be directly used as fuel due to its deteriorate properties. Here, an efficient catalytic upgrading process for the bio-oil, including esterification, hydrogenation, hydrodeoxygenation and depolymerization, is proposed with multifunctional catalyst Ni/SiO2-ZrO2 and biomass-derived solvent ethanol. Results showed that esters, alcohols, phenolics, and cyclo-ketones were the main components in the upgraded bio-oil while aldehydes were removed completely via catalytic hydrogenation and acids were removed by catalytic esterification with supercritical ethanol. The pH value of upgraded bio-oil rose drastically from 2.38 to 5.24, and the high heating value increased to 24.4 MJ kg(-1). Comparison characterization on the upgraded and crude bio-oil using FT-IR, GPC (Gel permeation chromatography) and C-13 NMR (Nuclear Magnetic Resonance) demonstrated that lignin-derived oligomers contained in crude bio-oil were further depolymerized over Ni/SiO2-ZrO2 catalyst. The improved properties suggest that the upgraded bio-oil is more suitable to be used as boiler fuel. Furthermore, the loss of carbon is negligible because formation of coke is suppressed during the upgrading process. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordBin-oil Esterification Hydrotreatment Ni/sio2-zro2 Supercritical Ethanol
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2015.02.035
WOS Subject ExtendedThermodynamics ; Energy & Fuels
WOS KeywordFAST PYROLYSIS ; BIOMASS ; HYDRODEOXYGENATION ; CONVERSION ; PATHWAYS ; ETHANOL ; LIGNIN ; ACID
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Energy & Fuels
WOS IDWOS:000355035900009
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10499
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Xinghua,Chen, Lungang,Kong, Wei,et al. Upgrading of bio-oil to boiler fuel by catalytic hydrotreatment and esterification in an efficient process[J]. ENERGY,2015,84:83-90.
APA Zhang, Xinghua.,Chen, Lungang.,Kong, Wei.,Wang, Tiejun.,Zhang, Qi.,...&Ma, Longlong.(2015).Upgrading of bio-oil to boiler fuel by catalytic hydrotreatment and esterification in an efficient process.ENERGY,84,83-90.
MLA Zhang, Xinghua,et al."Upgrading of bio-oil to boiler fuel by catalytic hydrotreatment and esterification in an efficient process".ENERGY 84(2015):83-90.
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