Sorption of Cs(I) and Np(V) onto Clays from the Ostrozhanskoe Deposit (Belarus)

A. S. Semenkova; T. R. Polyakova; D. K. Korob; I. F. Seregina; I. V. Mikheev; V. V. Krupskaya; A. Yu. Romanchuk; S. N. Kalmykov

doi:10.1134/S1066362219050163

Sorption of Cs(I) and Np(V) onto Clays from the Ostrozhanskoe Deposit (Belarus)

Authors: Semenkova A.S.¹, Polyakova T.R.¹, Korob D.K.², Seregina I.F.¹, Mikheev I.V.¹, Krupskaya V.V.¹^,3, Romanchuk A.Y.¹, Kalmykov S.N.¹
Affiliations:
1. Moscow State University
2. Joint Institute for Power and Nuclear Research—Sosny
3. Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry
Issue: Vol 61, No 5 (2019)
Pages: 619-624
Section: Article
URL: https://journals.rcsi.science/1066-3622/article/view/225352
DOI: https://doi.org/10.1134/S1066362219050163
ID: 225352

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Abstract

The sorption behavior of Np(V) and Cs(I) on natural and acid-treated bentonite-like clay of Ostro-zhanskoe deposit (Belarus) was studied in a wide range of radionuclide concentrations and pH values of the suspension. The sorption equilibrium with both radionuclides is attained within the first minutes of the interac¬tion. The sorption behavior on the untreated and treated clay is similar. Based on the experimental data, ther-modynamic modeling of the Cs(I) and Np(V) sorption onto the clays was performed.

Keywords

neptunium, cesium, sorption, ion exchange, montmorillonite, kaolinite, illite

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Sorption of Cs(I) and Np(V) onto Clays from the Ostrozhanskoe Deposit (Belarus)

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Abstract

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About the authors

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