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One step hydrogenation-esterification of model compounds and bio-oil to alcohols and esters over Raney Ni catalysts
Xu Ying1; Zhang Limin1,2; Chang Jiamin1; Zhang Xinghua1; Ma Longlong1; Wang Tiejun1; Zhang Qi1
2016-01-15
Source PublicationENERGY CONVERSION AND MANAGEMENT
Volume108Pages:78-84
AbstractAcids, aldehydes, ketones and phenols, which are the main components of bio-oil, have negative effects on the properties. In this paper, the mixture of acetic acid, furfural, hydroxyacetone, ethanediol, phenol and water were chosen as hybrid model compounds of bio-oil (MCB). To convert these compounds into stable and combustible oxygenated organics (alcohols and esters), one step hydrogenation-esterification (OHE) was carried out over Raney Ni catalyst (RN) and Mo, Sn, Fe, Cu modified Raney Ni catalysts (RNs) in the presence of methanol. 100% conversions of furfural and hydroxyacetone were achieved over RNs with high selectivity to desired products. The acetic acid conversion was only 35.1% with no methanol addition, while within 6 g/8 g methanol/MCB addition, the conversion of acetic acid increased to 81.1%. The esterification activity of alcohols was followed by methanol > tetrahydrofurfuryl alcohol (THFA), the hydrogenation product of furfural > ethanediol. Among the RNs, the addition of Fe catalyst restrained the aqueous-phase reforming of methanol and promoted the esterification of methanol and acetic acid. The Mo-RN showed the most favorable performance in the hydrogenation of phenol among the RNs. But the RN modified by both Fe and Mo did not give a good performance. After the OHE of light fraction of raw bio-oil over Mo-RN, there was no ketone & aldehyde detected and the contents of acids and phenols decreased from 49.04% and 7.35% to 8.21% and 3.84%. The conversion of acids could reach to 85.01% which was nearly to the conversion of acetic acid in MCB. The contents of alcohols and esters increased from 5.79% and 4.74% to 53.61% and 33.66%. The content of stable and combustible oxygenated organics reached to 87.27% after OHE of light fraction of raw bio-oil. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordOne Step Hydrogenation-esterification Hybrid Model Compounds Of Bio-oil Light Fraction Of Raw Bio-oil Raney Ni Catalysts
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.enconman.2015.10.062
WOS Subject ExtendedThermodynamics ; Energy & Fuels ; Mechanics ; Physics
WOS KeywordPRODUCE HYDROGEN ; BOILER FUEL ; ACID ; BIOMASS ; WATER ; HYDRODEOXYGENATION ; MICROSTRUCTURE ; EFFICIENT ; PHENOLS ; LIGNIN
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS IDWOS:000369191300009
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11013
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, Peoples R China
2.Changsha Univ Sci & Technol, Changsha 410076, Hunan, Peoples R China
Recommended Citation
GB/T 7714
Xu Ying,Zhang Limin,Chang Jiamin,et al. One step hydrogenation-esterification of model compounds and bio-oil to alcohols and esters over Raney Ni catalysts[J]. ENERGY CONVERSION AND MANAGEMENT,2016,108:78-84.
APA Xu Ying.,Zhang Limin.,Chang Jiamin.,Zhang Xinghua.,Ma Longlong.,...&Zhang Qi.(2016).One step hydrogenation-esterification of model compounds and bio-oil to alcohols and esters over Raney Ni catalysts.ENERGY CONVERSION AND MANAGEMENT,108,78-84.
MLA Xu Ying,et al."One step hydrogenation-esterification of model compounds and bio-oil to alcohols and esters over Raney Ni catalysts".ENERGY CONVERSION AND MANAGEMENT 108(2016):78-84.
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