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Kinetics of the main stages of fluidized bed combustion of a wet biomass particle

Gennadij Palchonok (Institutionen för energiomvandling) ; V.A. Dikalenko ; L.K. Stanchits ; V.A. Borodulya ; J Werther ; Bo Leckner (Institutionen för energiomvandling)
14th International Conference on Fluidized Bed Combustion Vol. 1 (1997), p. 125-133.
[Konferensbidrag, refereegranskat]

The mass loss and temperature history of highly wet biomass and organic waste particles have been experimentally studied under fluidized bed combustion conditions. a simplified mathematical model of the heat and mass transfer controlled coupled drying and pyrolysis was established. Analytical solutions were obtained for a sphere, an infinite cylinder and an infinite slab. The solutions account for the difference in thermal characteristics between char and virgin dry biomass. The model gives a good representation of the measurements, provided that the thermal conductivity of the particle is used as a fitting parameter. The model was shown to be applicable to both isotropic dry and anisotropic biomass particles.

Nyckelord: Biomass; Thermal characteristics; Mathematical model



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Denna post skapades 2016-06-27. Senast ändrad 2016-08-15.
CPL Pubid: 238398

 

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Institutionen för energiomvandling (1900-2003)

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Energi
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