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Characterization of Products from Torrefaction of Sprucewood and Bagasse in an Auger Reactor
Chang, Sheng1,2; Zhao, Zengli1,2; Zheng, Anqing1,2; He, Fang1,2; Huang, Zhen1,2; Li, Haibin1,2
2012-11-01
发表期刊ENERGY & FUELS
卷号26期号:11页码:7009-7017
摘要Torrefaction experiments of sprucewood and bagasse were performed in an auger reactor at 260 degrees C, 280 degrees C, and 300 degrees C. The chemical composition and pyrolysis behavior of the resulting torrefied biomass were examined in detail. A number of water and lightweight organic compounds were removed from biomass through torrefaction treatment. Chemical component analysis showed that more acid insoluble fibers were formed in torrefied bagasses obtained at 280 and 300 degrees C, which suggested cross-linking and carbonization of carbohydrates probably took place in bagasse torrefaction. FTIR (Fourier transform infrared) analysis indicated that thermal decomposition of carbohydrate (mainly hemicellulose) predominated over lignin decomposition and the cross-linking of Cellulose in torrefaction. XRD analysis revealed that the degradation of amorphous hemicellulose and amorphous :regions of cellulose resulted in increases of crystallinity of torrefied biomass obtained below, 300 degrees C. Thermogravimetric analysis, revealed :that the decomposition of cellulose, in torrefied biomass was accelerated by torrefaction treatment. Py-GC/MS analysis exhibited that the yields of acetic acid and-other:lightweight Compounds Were lower in pyrolysis of torrefied sprucewood obtained at 300 degrees C and all torrefied bagasses than those in raw biomass pyrolysis, while the yields of levoglucosan:in torrefied biomass pyrolysis were Obviously higher. This implied that more stable pyrolysis oil with higher content of levoglucosan could be obtained from torrefied biomass.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/ef301048a
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]FAST PYROLYSIS PROCESSES ; BIO-OIL ; COMBUSTIBLE PROPERTIES ; BIOMASS CONVERSION ; FORESTRY RESIDUE ; CORN STOVER ; WHITE-ROT ; BROWN-ROT ; WOOD ; CELLULOSE
收录类别SCI
语种英语
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000311244900061
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10556
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Peoples R China
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Chang, Sheng,Zhao, Zengli,Zheng, Anqing,et al. Characterization of Products from Torrefaction of Sprucewood and Bagasse in an Auger Reactor[J]. ENERGY & FUELS,2012,26(11):7009-7017.
APA Chang, Sheng,Zhao, Zengli,Zheng, Anqing,He, Fang,Huang, Zhen,&Li, Haibin.(2012).Characterization of Products from Torrefaction of Sprucewood and Bagasse in an Auger Reactor.ENERGY & FUELS,26(11),7009-7017.
MLA Chang, Sheng,et al."Characterization of Products from Torrefaction of Sprucewood and Bagasse in an Auger Reactor".ENERGY & FUELS 26.11(2012):7009-7017.
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