A novel interconnected fluidised bed for the combined flash pyrolysis of biomass and combustion of char

Janse, Arthur M.C. and Biesheuvel, P. Maarten and Prins, Wolter and Swaaij van, Wim P.M. (1999) A novel interconnected fluidised bed for the combined flash pyrolysis of biomass and combustion of char. Chemical Engineering Journal, 75 (2). pp. 121-130. ISSN 1385-8947

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Abstract:	A novel system of two adjacent fluidised beds operating in different gas atmospheres and exchanging solids was developed for the combined flash pyrolysis of biomass and combustion of the produced char. Fluidised sand particles (200 μm < dp < 400 μm) are transported from the pyrolysis reactor to the combustor through an orifice and recycled by a standpipe, riser and cyclone. Advantages of the new design are its compactness and the high level of heat integration. The solids circulation rate and holdup distribution between the two compartments could be controlled adequately in experiments at room temperature and atmospheric pressure. A model, developed to predict the solids and gas exchange between the two reactor compartments, was validated with experiments in which the three relevant gas flows, the orifice diameter and the particle diameter were varied.
Item Type:	Article
Copyright:	© 1999 Elsevier
Faculty:	Science and Technology (TNW)
Research Group:	Thermo-Chemical Conversion of Biomass (TCCB)
Link to this item:	http://purl.utwente.nl/publications/73971
Official URL:	http://dx.doi.org/10.1016/S1385-8947(99)00095-9
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