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Effect of Gamma Irradiation on Structural Features and Dissolution of Nuclear Waste Na–Al–P Glasses in Water

Author

Listed:
  • Alexey V. Luzhetsky

    (Federal State Unitary Enterprise-United Ecological, Scientific and Research Centre of Decontamination of Radioactive Waste (RAW) and Environmental Protection, 119121 Moscow, Russia)

  • Vladislav A. Petrov

    (Institute of Geology of Ore deposits, Petrography, Mineralogy and Geochemistry, 119017 Moscow, Russia)

  • Sergey V. Yudintsev

    (Institute of Geology of Ore deposits, Petrography, Mineralogy and Geochemistry, 119017 Moscow, Russia)

  • Viktor I. Malkovsky

    (Institute of Geology of Ore deposits, Petrography, Mineralogy and Geochemistry, 119017 Moscow, Russia)

  • Michael I. Ojovan

    (Institute of Geology of Ore deposits, Petrography, Mineralogy and Geochemistry, 119017 Moscow, Russia
    Department of Materials, Faculty of Engineering, The University of Sheffield, Sheffield S1 3JD, UK)

  • Maximilian S. Nickolsky

    (Institute of Geology of Ore deposits, Petrography, Mineralogy and Geochemistry, 119017 Moscow, Russia)

  • Andrey A. Shiryaev

    (Institute of Geology of Ore deposits, Petrography, Mineralogy and Geochemistry, 119017 Moscow, Russia
    Institute of Physical Chemistry and Electrochemistry, 119071 Moscow, Russia)

  • Sergey S. Danilov

    (Vernadsky Institute of Geochemistry and Analytical Chemistry, 119991 Moscow, Russia)

  • Elizaveta E. Ostashkina

    (Federal State Unitary Enterprise-United Ecological, Scientific and Research Centre of Decontamination of Radioactive Waste (RAW) and Environmental Protection, 119121 Moscow, Russia)

Abstract

Structural properties and water dissolution of six sodium–aluminum–phosphate (NAP) glasses have been investigated before and after irradiation by a gamma-ray source based on 60 Co. Two of these samples were of simple composition, and four samples had a complex composition with radionuclide simulants representing actinides, fission, and activated corrosion products. Samples of the simple composition are fully vitreous, whereas samples of the complex composition contained up to 10 vol.% of aluminum–phosphate, AlPO 4 , and traces of ruthenium dioxide, RuO 2 . Based on the study of pristine and irradiated glasses, it was established that the radiation dose of 62 million Gray had practically no effect on the phase composition and structure of samples. At the same time, the rate of leaching of elements from the irradiated samples by water was decreased by about two times.

Suggested Citation

  • Alexey V. Luzhetsky & Vladislav A. Petrov & Sergey V. Yudintsev & Viktor I. Malkovsky & Michael I. Ojovan & Maximilian S. Nickolsky & Andrey A. Shiryaev & Sergey S. Danilov & Elizaveta E. Ostashkina, 2020. "Effect of Gamma Irradiation on Structural Features and Dissolution of Nuclear Waste Na–Al–P Glasses in Water," Sustainability, MDPI, vol. 12(10), pages 1-23, May.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:10:p:4137-:d:359941
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    References listed on IDEAS

    as
    1. François Diaz-Maurin & Rodney C. Ewing, 2018. "Mission Impossible? Socio-Technical Integration of Nuclear Waste Geological Disposal Systems," Sustainability, MDPI, vol. 10(12), pages 1-39, November.
    2. Jon Rowan Phillips & Andriy Korinny & Frank Depisch & Zoran Drace, 2018. "Update of the INPRO Methodology in the Area of Waste Management," Sustainability, MDPI, vol. 10(4), pages 1-9, March.
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