Email this article Interaction of Actinide Matrices with Brine
- Authors: Yudintsev S.V.1,2, Malkovsky V.I.1, Nikolsky M.S.1, Nikonov B.S.1
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Affiliations:
- Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences
- Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
- Issue: Vol 485, No 1 (2019)
- Pages: 303-307
- Section: Geochemistry
- URL: https://journals.rcsi.science/1028-334X/article/view/194714
- DOI: https://doi.org/10.1134/S1028334X19030164
- ID: 194714
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Abstract
It is suggested to dispose of radioactive wastes of nuclear energetics with long-lived actinides in the form of titanates and zirconates in boreholes up to 5 km deep. The low leaching rate of the waste imitator (Nd) from samples is shown during their interaction with chloride brine at 200°C. The elements in the liquid phase mostly occur in soluble form, and the role of their colloidal form is insignificant. Our results allow substantiation of a choice of promising materials for actinide immobilization.
About the authors
S. V. Yudintsev
Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences; Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
Author for correspondence.
Email: syud@igem.ru
Russian Federation, Moscow, 119017; Moscow, 119071
V. I. Malkovsky
Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences
Email: syud@igem.ru
Russian Federation, Moscow, 119017
M. S. Nikolsky
Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences
Email: syud@igem.ru
Russian Federation, Moscow, 119017
B. S. Nikonov
Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences
Email: syud@igem.ru
Russian Federation, Moscow, 119017
