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Bio-syngas production from biomass catalytic gasification
Lv, Pengmei; Yuan, Zhenhong; Wu, Chuangzhi; Ma, Longlong; Chen, Yong; Tsubaki, Noritatsu
2007-04-01
Source PublicationENERGY CONVERSION AND MANAGEMENT
ISSN0196-8904
Volume48Issue:4Pages:1132-1139
Corresponding Authorlvpm@ms.giec.ac.cn
AbstractA promising application for biomass is liquid fuel synthesis, such as methanol or dimethyl ether (DME). Previous studies have studied syngas production from biomass-derived char, oil and gas. This study intends to explore the technology of syngas production from direct biomass gasification, which may be more economically viable. The ratio of H(2)/CO is an important factor that affects the performance of this process. In this study, the characteristics of biomass gasification gas, such as H(2)/CO and tar yield, as well as its potential for liquid fuel synthesis is explored. A fluidized bed gasifier and a downstream fixed bed are employed as the reactors. Two kinds of catalysts: dolomite and nickel based catalyst are applied, and they are used in the fluidized bed and fixed bed, respectively. The gasifying agent used is an air-steam mixture. The main variables studied are temperature and weight hourly space velocity in the fixed bed reactor. Over the ranges of operating conditions examined, the maximum H(2) content reaches 52.47 vol%, while the ratio of H(2)/CO varies between 1.87 and 4.45. The results indicate that an appropriate temperature (750 degrees C for the current study) and more catalyst are favorable for getting a higher H(2)/CO ratio. Using a simple first order kinetic model for the overall tar removal reaction, the apparent activation energies and pre-exponential factors are obtained for nickel based catalysts. The results indicate that biomass gasification gas has great potential for liquid fuel synthesis after further processing. (c) 2006 Elsevier Ltd. All rights reserved.
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Other AbstractA promising application for biomass is liquid fuel synthesis, such as methanol or dimethyl ether (DME). Previous studies have studied syngas production from biomass-derived char, oil and gas. This study intends to explore the technology of syngas production from direct biomass gasification, which may be more economically viable. The ratio of H-2/CO is an important factor that affects the performance of this process. In this study, the characteristics of biomass gasification gas, such as H-2/CO and tar yield, as well as its potential for liquid fuel synthesis is explored. A fluidized bed gasifier and a downstream fixed bed are employed as the reactors. Two kinds of catalysts: dolomite and nickel based catalyst are applied, and they are used in the fluidized bed and fixed bed, respectively. The gasifying agent used is an air-steam mixture. The main variables studied are temperature and weight hourly space velocity in the fixed bed reactor. Over the ranges of operating conditions examined, the maximum H-2 content reaches 52.47 vol%, while the ratio of H-2/CO varies between 1.87 and 4.45. The results indicate that an appropriate temperature (750 degrees C for the current study) and more catalyst are favorable for getting a higher H-2/CO ratio. Using a simple first order kinetic model for the overall tar removal reaction, the apparent activation energies and pre-exponential factors are obtained for nickel based catalysts. The results indicate that biomass gasification gas has great potential for liquid fuel synthesis after further processing.
KeywordSyngas Biomass Catalytic Gasification
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.enconman.2006.10.014
WOS Subject ExtendedThermodynamics ; Energy & Fuels ; Mechanics ; Physics
URL查看原文
WOS KeywordSTEAM REFORMING CATALYSTS ; GAS-PRODUCTION ; FLUIDIZED-BED ; METHANOL ; HYDROGEN
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS IDWOS:000245311200009
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Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/3498
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Nagoya Univ, Sch Engn, Toyama, Japan
Recommended Citation
GB/T 7714
Lv, Pengmei,Yuan, Zhenhong,Wu, Chuangzhi,et al. Bio-syngas production from biomass catalytic gasification[J]. ENERGY CONVERSION AND MANAGEMENT,2007,48(4):1132-1139.
APA Lv, Pengmei,Yuan, Zhenhong,Wu, Chuangzhi,Ma, Longlong,Chen, Yong,&Tsubaki, Noritatsu.(2007).Bio-syngas production from biomass catalytic gasification.ENERGY CONVERSION AND MANAGEMENT,48(4),1132-1139.
MLA Lv, Pengmei,et al."Bio-syngas production from biomass catalytic gasification".ENERGY CONVERSION AND MANAGEMENT 48.4(2007):1132-1139.
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