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Effect of torrefaction on structure and fast pyrolysis behavior of corncobs
Zheng, Anqing; Zhao, Zengli; Chang, Sheng; Huang, Zhen; Wang, Xiaobo; He, Fang; Li, Haibin
2013
发表期刊BIORESOURCE TECHNOLOGY
卷号128页码:370-377
摘要Pretreatment of corncobs using torrefaction was conducted in an auger reactor at 250-300 degrees C and residence times of 10-60 min. The torrefied corncobs were fast pyrolyzed in a bubbling fluidized bed reactor at 470 degrees C to obtain high-quality bio-oil. The heating value and pH of the bio-oil improved when the torrefaction as pretreatment was applied; however, increasing bio-oil yield penalties were observed with increasing torrefaction severity. Fourier transform infrared Spectroscopy (FTIR) and quantitative solid C-13 nuclear magnetic resonance spectrometry (NMR) analysis of torrefied corncobs showed that the devolatilization, crosslinking and charring of corncobs during torrefaction could be responsible for the bio-oil yield penalties. Gas chromatography-mass spectrometry (GC-MS) analysis showed that the acetic acid and furfural contents of the bio-oil decreased with torrefaction temperature or residence time. The results showed that torrefaction is an effective method of pretreatment for improving bio-oil quality if the crosslinking and charring of biomass can be restricted. (C) 2012 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Torrefaction Fast Pyrolysis Bio-oil C-13 Nmr Pyrolysis Mechanism
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2012.10.067
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]MALLEE WOODY BIOMASS ; BIO-OIL ; CELLULOSE ; PRETREATMENT ; TEMPERATURE ; PRODUCTS ; KINETICS ; GASOLINE ; WATER ; ACID
收录类别SCI
语种英语
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000315545800053
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/9120
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 & Gas Hydrate, Guangzhou 510640, Peoples R China
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Zheng, Anqing,Zhao, Zengli,Chang, Sheng,et al. Effect of torrefaction on structure and fast pyrolysis behavior of corncobs[J]. BIORESOURCE TECHNOLOGY,2013,128:370-377.
APA Zheng, Anqing.,Zhao, Zengli.,Chang, Sheng.,Huang, Zhen.,Wang, Xiaobo.,...&Li, Haibin.(2013).Effect of torrefaction on structure and fast pyrolysis behavior of corncobs.BIORESOURCE TECHNOLOGY,128,370-377.
MLA Zheng, Anqing,et al."Effect of torrefaction on structure and fast pyrolysis behavior of corncobs".BIORESOURCE TECHNOLOGY 128(2013):370-377.
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