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Structural, Mechanical and Chemical Properties of Low Content Carbon Geopolymer

Author

Listed:
  • Snežana Nenadović

    (Department of Materials Science, “VINČA” Institute of Nuclear Science, National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia)

  • Jelena Gulicovski

    (Department of Materials Science, “VINČA” Institute of Nuclear Science, National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia)

  • Miljana Mirković

    (Department of Materials Science, “VINČA” Institute of Nuclear Science, National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia)

  • Ljiljana Kljajević

    (Department of Materials Science, “VINČA” Institute of Nuclear Science, National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia)

  • Ivana Bošković

    (Faculty of Metallurgy and Technology, University of Montenegro, Cetinjski Put bb, 81000 Podgorica, Montenegro)

  • Mira Vukčević

    (Faculty of Metallurgy and Technology, University of Montenegro, Cetinjski Put bb, 81000 Podgorica, Montenegro)

  • Miloš Nenadović

    (Department of Atomic Physics, “VINČA” Institute of Nuclear Science, National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia)

Abstract

In recent years geopolymers have shown increased interest as binders with low CO 2 emission compared to Portland cement. The main goal of this research is focused on connecting green and sustainable characteristics with the mechanical and chemical properties of fly ash-based geopolymer. The samples of different ratios of fly ash (FA) and metakaolin (MK) were prepared. X-ray powder diffraction (XRD) showed that in the geopolymer synthesis reaction a new amorphous phase was formed. Diffuse reflectance infrared Fourier transform spectroscopy (DRIFT) confirmed characteristic bands of the Si-O and O-Si-O groups at 1045 cm −1 . Compressive strength analysis revealed that the optimal ratio of FA and MK is 50:50 and exhibits the highest value. X-ray photoelectron spectroscopy (XPS) analysis revealed the total reduction of carbon content in the alkali-activated geopolymer with the optimal stoichiometry of 50:50. This indicates the possibility of obtaining a geopolymer material with an almost complete absence of carbon, which implies further application as a material with a very high environmental potential and of zero carbon emissions.

Suggested Citation

  • Snežana Nenadović & Jelena Gulicovski & Miljana Mirković & Ljiljana Kljajević & Ivana Bošković & Mira Vukčević & Miloš Nenadović, 2022. "Structural, Mechanical and Chemical Properties of Low Content Carbon Geopolymer," Sustainability, MDPI, vol. 14(9), pages 1-13, April.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:9:p:4885-:d:796887
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    Citations

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    Cited by:

    1. Matej Šuránek & Zuzana Melichová & Miljana M. Mirković & Marija Ivanović & Vladimir B. Pavlović & Ljiljana Kljajević & Snežana Nenadović, 2023. "The Study of Cu(II) Adsorption onto Synthetically Modified Geopolymers," Sustainability, MDPI, vol. 15(4), pages 1-21, February.

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