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Modeling biomass gasification in circulating fluidized beds
Miao, Qi1; Zhu, Jesse1; Barghi, Shahzad1; Wu, Chuangzhi2; Yin, Xiuli2; Zhou, Zhaoqiu2
Source PublicationRENEWABLE ENERGY
AbstractDetailed review of existing models resulted in the development of a new mathematical model to study biomass gasification in a circulating fluidized bed. Hydrodynamics as well as chemical reaction kinetics were considered to predict the overall performance of a biomass gasification process. The fluidized bed was divided into two distinct sections: a) a dense region at the bottom of the bed where biomass undergoes mainly heterogeneous reactions and b) a dilute region at the top where most of homogeneous reactions occur in gas phase. Each section was divided into a number of small cells, over which mass and energy balances were applied. A number of homogeneous and heterogeneous reactions were considered in the model. Mass transfer resistance was considered negligible since the reactions were under kinetic control due to good gas-solid mixing. The model is capable of predicting the bed temperature distribution along the gasifier, the concentration and distribution of each species in the vertical direction of the bed, the composition and heating value of produced gas, the gasification efficiency, the overall carbon conversion and the produced gas production rate. The modeling and simulation results were in good agreement with published data. (C) 2012 Elsevier Ltd. All rights reserved.
KeywordBiomass Gasification Hydrodynamics Kinetics Modeling Circulating Fluidized Bed
WOS HeadingsScience & Technology ; Technology
WOS Subject ExtendedEnergy & Fuels
Indexed BySCI
WOS SubjectEnergy & Fuels
WOS IDWOS:000311865900081
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Cited Times:34[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Univ Western Ontario, Particle Technol Res Ctr, London, ON N6A 5B9, Canada
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Miao, Qi,Zhu, Jesse,Barghi, Shahzad,et al. Modeling biomass gasification in circulating fluidized beds[J]. RENEWABLE ENERGY,2013,50:655-661.
APA Miao, Qi,Zhu, Jesse,Barghi, Shahzad,Wu, Chuangzhi,Yin, Xiuli,&Zhou, Zhaoqiu.(2013).Modeling biomass gasification in circulating fluidized beds.RENEWABLE ENERGY,50,655-661.
MLA Miao, Qi,et al."Modeling biomass gasification in circulating fluidized beds".RENEWABLE ENERGY 50(2013):655-661.
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