In Cuba a variety of types of biomass is being investigated for energy conversion through thermochemical processes into solid, liquid, and gas products. A continuous bench fluidized bed pyrolysis has been designed and is currently under testing. In this article, a transport model has been developed to simulate the axial temperature fields in a bench. The model and experimental results indicated that (1) two zones exist inside of the fluidization column, the dense bed where the exothermic and endothermic reactions are active, and the freeboard zone where the temperature of the pyrolysis product decreases continuously; (2) the bed temperature increases with an increase in the air factor. The predicted temperature is in quantitative agreement with experimental measurements.
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Original Articles
A Phenomenological Energy Model of Biomass Pyrolysis Under Autothermal Fluidized Bed Conditions
José Antonio Suárez
Faculty of Mechanical Engineering, University of the Orient, Santiago de Cuba, Cuba
, Pedro Anibal Beaton
Faculty of Mechanical Engineering, University of the Orient, Santiago de Cuba, Cuba
& Rolando Zanzi
Department of Chemical Engineering and Technology, Royal Institute of Technology, Stockholm, Sweden
Pages 705-714
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Published online: 19 Aug 2006
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