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Effect of Torrefaction Temperature on Product Distribution from Two-Staged Pyrolysis of Biomass
Zheng, Anqing1,2; Zhao, Zengli1,2; Chang, Sheng1,2; Huang, Zhen1,2; He, Fang1,2; Li, Haibin1,2
2012-05-01
Source PublicationENERGY & FUELS
Volume26Issue:5Pages:2968-2974
AbstractTwo-staged biomass pyrolysis process consisting of torrefaction and subsequent fast pyrolysis is proposed to obtain high quality bio-oil. The purpose of this study is to evaluate the effect of torrefaction temperature on yield, composition, and physical properties of the liquid of torrefaction and bio-oil. Torrefaction of pine was conducted on an auger reactor at 240-320 degrees C with a residence time of 40 min to produce liquid of torrefaction and torrefied pine. Then, the torrefied pine was fast pyrolyzed in a bubbling fluidized bed reactor at 520 degrees C to produce bio-oil. Torrefied pine was characterized by chemical composition analysis and Fourier transform infrared (FTIR) spectroscopy. The liquid of torrefaction was determined by gas chromatography (GC); bio-oil was characterized by gas chromatography mass spectroscopy (GC-MS) and C-13 nuclear magnetic resonance spectrometry (NMR). The experimental results show that water content in liquid of torrefaction and water and acetic acid content in bio-oil decreased with elevated torrefaction temperature, while the yield of liquid of torrefaction, aromaticity, higher heating value, and density of bio-oil increased. However, the yield of total liquid (sum of liquid of torrefaction and bio-oil) decreased significantly with elevated torrefaction temperature because of the cross-linking and carbonization of torrefied pine.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/ef201872y
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordCATALYTIC FAST PYROLYSIS ; MALLEE WOODY BIOMASS ; BIO-OIL ; CHEMICAL-CHANGES ; FLUIDIZED-BED ; PINE WOOD ; REACTOR
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000304073000050
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10574
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zheng, Anqing,Zhao, Zengli,Chang, Sheng,et al. Effect of Torrefaction Temperature on Product Distribution from Two-Staged Pyrolysis of Biomass[J]. ENERGY & FUELS,2012,26(5):2968-2974.
APA Zheng, Anqing,Zhao, Zengli,Chang, Sheng,Huang, Zhen,He, Fang,&Li, Haibin.(2012).Effect of Torrefaction Temperature on Product Distribution from Two-Staged Pyrolysis of Biomass.ENERGY & FUELS,26(5),2968-2974.
MLA Zheng, Anqing,et al."Effect of Torrefaction Temperature on Product Distribution from Two-Staged Pyrolysis of Biomass".ENERGY & FUELS 26.5(2012):2968-2974.
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