Authors:
K. Štamberg Czech Technical University Faculty of Nuclear Science and Physical Engineering, Department of Nuclear Chemistry Břehová 7 11519 Praha 1 Czech Republic

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J. Škrkal Czech Technical University Faculty of Nuclear Science and Physical Engineering, Department of Nuclear Chemistry Břehová 7 11519 Praha 1 Czech Republic

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P. Beneš Czech Technical University Faculty of Nuclear Science and Physical Engineering, Department of Nuclear Chemistry Břehová 7 11519 Praha 1 Czech Republic

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K. Chalupská Czech Technical University Faculty of Nuclear Science and Physical Engineering, Department of Nuclear Chemistry Břehová 7 11519 Praha 1 Czech Republic

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D. Vopálka Czech Technical University Faculty of Nuclear Science and Physical Engineering, Department of Nuclear Chemistry Břehová 7 11519 Praha 1 Czech Republic

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Abstract  

A surface complexation model, the so-called diffuse double layer model (DLM), was used in the description of the multicomponent system consisting of Czech sodium bentonite SABENYL and synthetic granitic water spiked with233U(VI). The experimental data were evaluated and the characteristic parameters, e.g., the equilibrium constants of all the reactions considered, were obtained and used for the numerical simulation of sorption selectivity of the uranium in relation to the total carbonate concentration. The values of separation factors indicate that the selectivity of uranium sorption in such multicomponent systems can depend not only on the pH and composition of both phases, but also on the phase ratio and starting concentrations of participating components.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)