What is it about?
Previously established and validated coal combustion model in a circulating fluidized bed is applied for co-combustion of lignite and biomass processes. The validity of the model was successfully performed on a large-scale 261 MWe COMPACT CFB boiler. Forest biomass, sunflower husk, willow and lignite coal were used in co-combustion tests with different shares of biomass and lignite. Emissions of CO2, CO, SO2 and NOx (i.e., NO + NO2) are seccefully predicted by the model.
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Why is it important?
As there are no systematic studies of reactions that occur during biomass and coal co-combustion, the kinetics parameters of 44 reactions, considered in the chemical reaction network, was determined numerically. The obtained/proposed kinetic parameters and chemical reaction rate expressions are listed in the paper.
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This page is a summary of: Gas emissions from a large scale circulating fluidized bed boilers burning lignite and biomass, Fuel Processing Technology, December 2013, Elsevier,
DOI: 10.1016/j.fuproc.2013.04.021.
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