Biomass Fast Pyrolysis: Experimental Analysis and Modeling Approach : Bioenergy and Green Engineering
Identifieur interne : 000E68 ( Main/Exploration ); précédent : 000E67; suivant : 000E69Biomass Fast Pyrolysis: Experimental Analysis and Modeling Approach : Bioenergy and Green Engineering
Auteurs : M. Al-Haddad [France] ; E. Rendek [France] ; J.-P. Corriou [France] ; G. Mauviel [France]Source :
- Energy & fuels [ 0887-0624 ] ; 2010.
Descripteurs français
- Pascal (Inist)
- Wicri :
English descriptors
- KwdEn :
- mix :
Abstract
A single particle model able to predict the evolution of the product yields during biomass fast pyrolysis is developed. Mass balance equations based on a kinetic scheme of solid-phase pyrolysis are coupled to heat-transfer equations. This two-dimensional model is solved by the finite volume method. The model results are compared to experimental data obtained in an image furnace, where biomass pellets are submitted to a controlled and concentrated radiation. Heat flux densities that are available at the biomass surface are similar to those encountered in fluidized beds (0.2-0.8 x 106 W m-2). The comparison between the experimental data and simulated results shows that the kinetic parameters need to be further optimized to accurately represent the final product yields.
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Le document en format XML
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<term>Furnace</term>
<term>Heat flow</term>
<term>Heat transfer</term>
<term>Kinetics</term>
<term>Mass balance</term>
<term>Modeling</term>
<term>Pyrolysis</term>
<term>Solid phase</term>
<term>Two dimensional model</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Biomasse</term>
<term>Pyrolyse</term>
<term>Modélisation</term>
<term>Bilan masse</term>
<term>Cinétique</term>
<term>Phase solide</term>
<term>Transfert chaleur</term>
<term>Modèle 2 dimensions</term>
<term>Méthode volume fini</term>
<term>Four</term>
<term>Flux thermique</term>
<term>Densité</term>
<term>Etude comparative</term>
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<term>Four</term>
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<keywords scheme="mix" xml:lang="en"><term>BEHAVIOR</term>
<term>CELLULOSE PELLETS</term>
<term>DEVOLATILIZATION</term>
<term>FLUIDIZED-BED REACTOR</term>
<term>KINETICS</term>
<term>PARTICLE</term>
<term>RADIANT FLASH PYROLYSIS</term>
<term>TRANSIENT</term>
<term>WOOD PYROLYSIS</term>
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<front><div type="abstract" xml:lang="en">A single particle model able to predict the evolution of the product yields during biomass fast pyrolysis is developed. Mass balance equations based on a kinetic scheme of solid-phase pyrolysis are coupled to heat-transfer equations. This two-dimensional model is solved by the finite volume method. The model results are compared to experimental data obtained in an image furnace, where biomass pellets are submitted to a controlled and concentrated radiation. Heat flux densities that are available at the biomass surface are similar to those encountered in fluidized beds (0.2-0.8 x 10<sup>6</sup>
W m<sup>-2</sup>
). The comparison between the experimental data and simulated results shows that the kinetic parameters need to be further optimized to accurately represent the final product yields.</div>
</front>
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