Abstract
A mathematical kinetic model is developed for sorption of radionuclides, occurring via transition of the sorbate atoms initially to the subsurface layer of the particles of a polydisperse sorbent with a known particle size distribution function ϕ(R), and then to the bulk of these particles. The variance of the function ϕ(R) was demonstrated to have a considerable effect on the sorption rate. The simulated results are compared with the experimental data on the sorption of 90Sr from an aqueous medium on polydisperse calcium carbonate in the forms of calcite and vaterite.
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Original Russian Text © I.V. Melikhov, S.S. Berdonosov, I.V. Znamenskaya, D.G. Berdonosova, 2008, published in Radiokhimiya, 2008, Vol. 50, No. 4, pp. 338–344.
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Melikhov, I.V., Berdonosov, S.S., Znamenskaya, I.V. et al. Kinetic model for radionuclide sorption. Radiochemistry 50, 386–394 (2008). https://doi.org/10.1134/S1066362208040103
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DOI: https://doi.org/10.1134/S1066362208040103