Title: Biomass Gasification in Internal Circulating Fluidized Beds: a Thermodynamic Predictive Tool
Authors: MICCIO FrancescoSVOBODA KarelSCHOSGER JEAN-PIERREBAXTER DAVID
Citation: KOREAN JOURNAL OF CHEMICAL ENGINEERING vol. 25 no. 4 p. 721-726
Publisher: KOREAN INST CHEM ENGINEERS
Publication Year: 2008
JRC N°: JRC35205
ISSN: 0256-1115
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC35205
Type: Articles in Journals
Abstract: The paper deals with a high efficiency process for biomass gasification based on the concept of the internal circulating fluidized bed (ICFB). A modeling activity has been developed for the prediction of limiting values for the main species in a syngas produced by ICFB gasification. A thermodynamic sub-model has been utilized and integrated with a simplified lumped model of the gasifier. The model predicts H2 concentration up to 61% on water free basis. The comparison with calculations for one stage gasification is favorable for the ICFB process, no dilution with inert gas occurring. Among the studied variables, the steam/fuel ratio and the fuel moisture exert the largest influence on the hydrogen yield with percentage changes up to 15% in the explored range of the variables.
JRC Institute:Institute for Energy and Transport

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