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Geopolymer Building Materials Based on Fly Ash in Terms of Removing SO 2 , CO 2 , and Water Vapor

Author

Listed:
  • Katarzyna Zarębska

    (Faculty of Energy and Fuels, AGH University of Krakow, al. Mickiewicza 30, 30-059 Krakow, Poland)

  • Jakub Szczurowski

    (Faculty of Energy and Fuels, AGH University of Krakow, al. Mickiewicza 30, 30-059 Krakow, Poland)

  • Magdalena Gazda-Grzywacz

    (Faculty of Energy and Fuels, AGH University of Krakow, al. Mickiewicza 30, 30-059 Krakow, Poland)

  • Wojciech Wróbel

    (Faculty of Energy and Fuels, AGH University of Krakow, al. Mickiewicza 30, 30-059 Krakow, Poland)

  • Jakub Bator

    (Faculty of Energy and Fuels, AGH University of Krakow, al. Mickiewicza 30, 30-059 Krakow, Poland)

  • Paweł Baran

    (Faculty of Energy and Fuels, AGH University of Krakow, al. Mickiewicza 30, 30-059 Krakow, Poland)

Abstract

This paper presents the results of sorption tests against selected gaseous pollutants SO 2 , CO 2 and H 2 O on geopolymer materials obtained from high-calcium fly ash from lignite power generation. In the synthesis process, activation of geopolymer materials was carried out using KOH and NaOH. It was found that the activating agent significantly affects the porous structure of the samples. The sorption experiments conducted for the KOH-activated sample showed high SO 2 adsorption efficiency, almost ten times higher than against CO 2 . The results demonstrate the possibility of utilizing fly ash obtained from the lignite energy processing sector for the synthesis of geopolymers with potential application of the materials as functional plastering compounds.

Suggested Citation

  • Katarzyna Zarębska & Jakub Szczurowski & Magdalena Gazda-Grzywacz & Wojciech Wróbel & Jakub Bator & Paweł Baran, 2023. "Geopolymer Building Materials Based on Fly Ash in Terms of Removing SO 2 , CO 2 , and Water Vapor," Energies, MDPI, vol. 16(13), pages 1-18, July.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:13:p:5188-:d:1187674
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    References listed on IDEAS

    as
    1. Czuma, Natalia & Samojeden, Bogdan & Zarębska, Katarzyna & Motak, Monika & Da Costa, Patrick, 2022. "Modified fly ash, a waste material from the energy industry, as a catalyst for the CO2 reduction to methane," Energy, Elsevier, vol. 243(C).
    2. Natalia Kowalska & Ewelina Brodawka & Adam Smoliński & Katarzyna Zarębska, 2022. "The European Education Initiative as a Mitigation Mechanism for Energy Transition," Energies, MDPI, vol. 15(18), pages 1-18, September.
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