Article Number 200702, March 2007

Development of an experimental laminar flow reactor and a test method for determination of the rate of pyrolysis of high-volatile-content solid fuels

J. Lehto

Institute of Energy and Process Engineering
Tampere University of Technology
P.O. Box 589
FI-33101 Tampere
Finland

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ABSTRACT:

The present article deals with the pyrolysis of Finnish milled peat in the fluidized bed combustion temperature range in a developed laminar flow reactor. The pyrolysis of milled peat is studied with different residence times in the reactor and a straightforward method for determining the kinetic parameters from measured data is presented. Based on the experimental results, the kinetic parameters for Finnish milled peat were calculated using a two-competing-reactions model. Drag coefficient of the peat and some important properties of the developed reactor were identified using optical measurements.

Keywords:

pyrolysis, laminar flow reactor, peat, particle tracking velocimetry, kinetic parameters

^* Corresponding Author:

J. Lehto
Institute of Energy and Process Engineering
Tampere University of Technology
P.O. Box 589
FI-33101 Tampere
Finland

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