Email this article Interaction of actinide matrices with brine
- Authors: Yudintsev S.V.1,2, Malkovsky V.I.2, Nikolsky M.S.2, Nikonov B.S.2
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Affiliations:
- Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry of the Russian Academy of Sciences
- Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences
- Issue: Vol 485, No 2 (2019)
- Pages: 212-216
- Section: Geochemistry
- URL: https://journals.eco-vector.com/0869-5652/article/view/12854
- DOI: https://doi.org/10.31857/S0869-56524852212-216
- ID: 12854
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Abstract
Radioactive wastes with long-lived actinides derived in the nuclear fuel cycle can be disposed in very deep boreholes (depth up to 5 km) in titanate and zirconate matrices. During their interaction with a hot chloride brine very low release rate of the waste imitator (Nd) is shown. The elements in solution occur in soluble form, role of colloids is insignificant. The data allow selection of matrices for actinide waste immobilization.
About the authors
S. V. Yudintsev
Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry of the Russian Academy of Sciences;Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences
Author for correspondence.
Email: syud@igem.ru
corresponding member of the RAS
Russian Federation, Moscow;MoscowV. I. Malkovsky
Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences
Email: syud@igem.ru
Russian Federation, Moscow
M. S. Nikolsky
Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences
Email: syud@igem.ru
Russian Federation, Moscow
B. S. Nikonov
Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences
Email: syud@igem.ru
Russian Federation, Moscow
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