Model validation of a CFB biomass gasification model |
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| Affiliation: | 1. Particle Technology Research Centre, University of Western Ontario, London N6A 5B9, Canada;2. CAS Key Laboratory of Renewable Energy and Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;1. Centre for Research and Technology Hellas/Chemical Process and Energy Resources Institute (CERTH/CPERI), Egialeias 52, Marousi, Greece;2. Laboratory of Steam Boilers and Thermal Plants, National Technical University of Athens (NTUA), 9 Heroon Polytechniou Str., 15780 Zografou, Greece;1. Energy and Furnace Technology Division, Royal Institute of Technology (KTH), Brinellvägen 23, SE-10044 Stockholm, Sweden;2. Ecoloop GmbH, Düsseldorfer Landstr. 395, 47259 Dulsburg, Germany;1. State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering (IPE), Chinese Academy of Sciences (CAS), Beijing 100190, China;2. University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | The developed 1-dimensional biomass gasification mathematical model 1] was validated using the experimental results obtained from a circulating fluidized bed biomass gasifier. The reactor was operated on rice husk at various equivalence ratios (ER), fluidization velocities and biomass feed rates. The model gave reasonable predictions of the axial bed temperature profile, syngas composition and lower heating value (LHV), gas production rate, gasification efficiency and overall carbon conversion. The model was also validated by comparing the simulation results with two other different size circulating fluidized beds biomass gasifiers (CFBBGs) using different biomass feedstock, and it was concluded that the developed model can be applied to other CFBBGs using various biomass fuels and having comparable reactor geometries. |
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| Keywords: | Mathematical model Equivalence ratio Temperature profile Syngas composition Lower heating value Gasification efficiency |
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