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Assessment of Influential Operational Parameters in the Mitigation of CO 2 Emissions in a Power Plant: Case Study in Portugal

Author

Listed:
  • Vítor Balanuta

    (ISEL—Instituto Superior de Engenharia de Lisboa, Polytechnic University of Lisbon, 1959-007 Lisboa, Portugal)

  • Patrícia Baptista

    (IN+, Center for Innovation, Technology and Policy Research—Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal)

  • Fernando Carreira

    (UniRE, ISEL—Instituto Superior de Engenharia de Lisboa, Polytechnic University of Lisbon, 1959-007 Lisboa, Portugal)

  • Gonçalo O. Duarte

    (IN+, Center for Innovation, Technology and Policy Research—Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
    CIMOSM, ISEL—Instituto Superior de Engenharia de Lisboa, Polytechnic University of Lisbon, 1959-007 Lisboa, Portugal)

  • Cláudia S.S.L. Casaca

    (CIMOSM, ISEL—Instituto Superior de Engenharia de Lisboa, Polytechnic University of Lisbon, 1959-007 Lisboa, Portugal)

Abstract

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 CO 2 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 CO 2 emissions, considering the biomass as carbon-neutral.

Suggested Citation

  • Vítor Balanuta & Patrícia Baptista & Fernando Carreira & Gonçalo O. Duarte & Cláudia S.S.L. Casaca, 2024. "Assessment of Influential Operational Parameters in the Mitigation of CO 2 Emissions in a Power Plant: Case Study in Portugal," Clean Technol., MDPI, vol. 6(3), pages 1-12, September.
    • Handle: RePEc:gam:jcltec:v:6:y:2024:i:3:p:57-1180:d:1472626
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    References listed on IDEAS

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    1. Awais Ahmed & Khaled Khodary Esmaeil & Mohammad A Irfan & Fahad A Al-Mufadi, 2018. "Design methodology of heat recovery steam generator in electric utility for waste heat recovery," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 13(4), pages 369-379.
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