Heat transfer controlled pyrolysis kinetics of a biomass slab, rod or sphere

A theory for deriving the pyrolysis rate of a single infinite slab, infinite cylinder or sphere in a constant temperature furnace is suggested. In analogy with the shrinking-core model a pyrolysis propagation front velocity is defined. The velocity is thereafter used in a compartment-model approach...

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Bibliographic Details
Published inBiomass & bioenergy Vol. 15; no. 6; pp. 503 - 509
Main Authors Liliedahl, Truls, Sjöström, Krister
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.12.1998
Subjects
biomass
heat transfer control
kinetics
pyrolysis
biomass
pyrolysis
heat transfer control
kinetics
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Summary:A theory for deriving the pyrolysis rate of a single infinite slab, infinite cylinder or sphere in a constant temperature furnace is suggested. In analogy with the shrinking-core model a pyrolysis propagation front velocity is defined. The velocity is thereafter used in a compartment-model approach for deriving a set of ordinary differential equations for solving the burn-off over time. A comparison with experimental and published data is also made.
ISSN:0961-9534
1873-2909
DOI:10.1016/S0961-9534(98)00053-1