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Assessment of influential operational parameters in the mitigation of CO2 emissions in a power plant: case study in Portugal
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Advisor(s)
Abstract(s)
The European decarbonization goals and requirement for energy independence are mostly relying on intermittent renewable energy sources for electrification. A numerical model was developed to simulate the operation of a steam generator, allowing a study of the potential impacts of retrofitting existing coal-fired power plants to operate with biomass or coal–biomass mixtures on combustion parameters and CO2 emissions. The results obtained using the operational parameters of the Sines power plant indicate that a mixture of 25% coal and 75% pine sawdust allow operation at λ = 1.8, demonstrating that a small amount of coal allows operation near the coal combustion parameters (λ = 1.9). These conditions have the drawback of a reduction of 8.7% in adiabatic flame temperature but a significant reduction of 57.5% in CO2 emissions, considering the biomass as carbon-neutral.
Description
Keywords
Greenhouse gas emissions Biomass Thermal power plant Retrofitting Decarbonization
Citation
Balanuta, V., Baptista, P., Carreira, F., Duarte, G. O., & Casaca, C. S. S. L. (2024). Assessment of influential operational parameters in the mitigation of CO2 emissions in a power plant: case study in Portugal. Clean Technologies, 6(3), 1169-1180. https://doi.org/10.3390/cleantechnol6030057
Publisher
MDPI