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Effect of Hydrothermal Treatment on Chemical Structure and Pyrolysis Behavior of Eucalyptus Wood
Zheng, Anqing; Jiang, Liqun; Zhao, Zengli; Chang, Sheng; Huang, Zhen; Zhao, Kun; He, Fang; Li, Haibin
2016-04-01
发表期刊ENERGY & FUELS
卷号30期号:4页码:3057-3065
摘要A hydrothermal treatment experiment of eucalyptus wood was carried out in a high-pressure batch reactor at temperatures between 160 and 190 degrees C. The effect on chemical structure and pyrolysis behavior of eucalyptus wood as a result of hydrothermal treatment was investigated by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric (TG) analysis, and pyrolysis gas chromatography mass spectroscopy (Py-GC/MS). From FTIR analysis, it was observed that hydrothermal treatment could effectively remove acetyl groups from eucalyptus wood. XRD analysis showed that crystallinity degree of eucalyptus wood was enhanced by hydrothermal treatment due to the degradation of hemicellulose and amorphous cellulose, and crystalline size of cellulose became larger owing to the removal of small crystallites. TG analysis suggested that no significant carbonization and cross-linking of chemical components in eucalyptus wood occurred during hydrothermal treatment, and the thermal stability of eucalyptus wood was enhanced. Compared to raw eucalyptus wood, hydrothermally treated eucalyptus wood gave much higher levoglucosan yields but lower yields of reactive compounds including ketones, aldehydes, and organic acids in the Py-GC/MS experiment. This implied that hydrothermal treatment had positive impacts on biomass pyrolysis product distribution and could improve chemical composition of bio-oil produced from fast pyrolysis.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/acs.energyfuels.5b03005
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]PRODUCT DISTRIBUTION ; WHITE-ROT ; BROWN-ROT ; CELLULOSE ; PRETREATMENT ; BIOMASS ; FRACTIONATION ; HEMICELLULOSE ; TORREFACTION ; TEMPERATURE
收录类别SCI
语种英语
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000374804400057
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/11274
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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Zheng, Anqing,Jiang, Liqun,Zhao, Zengli,et al. Effect of Hydrothermal Treatment on Chemical Structure and Pyrolysis Behavior of Eucalyptus Wood[J]. ENERGY & FUELS,2016,30(4):3057-3065.
APA Zheng, Anqing.,Jiang, Liqun.,Zhao, Zengli.,Chang, Sheng.,Huang, Zhen.,...&Li, Haibin.(2016).Effect of Hydrothermal Treatment on Chemical Structure and Pyrolysis Behavior of Eucalyptus Wood.ENERGY & FUELS,30(4),3057-3065.
MLA Zheng, Anqing,et al."Effect of Hydrothermal Treatment on Chemical Structure and Pyrolysis Behavior of Eucalyptus Wood".ENERGY & FUELS 30.4(2016):3057-3065.
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