The Role of Inorganics in Modelling of Biomass Gasification
Konttinen, J., Kramb, J., DeMartini, N., Gómez-Barea, A.
In this work, a summary of the research carried out about the role of inorganic elements in biomass gasification is presented. The research work has focused on the catalytic effects of alkali and alkaline earth metals in char gasification. The work has included gasification experiments using thermogravimetric analysis (TGA) and fluidized beds as well as modeling techniques. The results of the research presented in this paper indicate that the laboratory measured TGA reactivity numbers and correlations (including the effect of fuel ash inorganics) are possible to be converted to numbers predicting carbon conversion in a large scale fluidized bed gasification reactor. The model, called Carbon Conversion Predictor, is a relatively simple and transparent tool for the comparison of the gasification reactivity of different fuels in fluidized bed gasification.
biomass, gasification, kinetics, modelling, inorganic elements, alkali metals
Biomass Conversion Technologies for Heating, Cooling and Electricity
Gasification for power, CHP and polygeneration
25th European Biomass Conference and Exhibition
443 - 447
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