Abstract
Sorption of 137Cs, 90Sr, and 90Y radionuclides from aqueous solutions on the solid phase of layered double hydroxides (LDHs) of Mg, Al, and Nd was studied. Sorption of 137Cs from 10−5 M aqueous CsNO3 solutions on the LDH-Mg-Al-Nd solid phase is extremely weak. At the same time, 90Sr and 90Y are efficiently sorbed on the LDH-Mg-Al-Nd solid phase from 10−5 M aqueous Sr(NO3)2 solutions. After 5-min contact of the solid and liquid phases, K d of 90Sr and 90Y exceeds 103 ml g−1. With an increase in the Nd content in LDHs of mixed composition, their sorption properties toward 90Sr and 90Y are enhanced.
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Original Russian Text © S.A. Kulyukhin, E.P. Krasavina, I.V. Gredina, I.A. Rumer, 2009, published in Radiokhimiya, 2009, Vol. 51, No. 6, pp. 536–540.
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Kulyukhin, S.A., Krasavina, E.P., Gredina, I.V. et al. Sorption of Cs, Sr, and Y radionuclides on mixed layered double hydroxides of Mg, Al, and Nd from the aqueous phase. Radiochemistry 51, 616–621 (2009). https://doi.org/10.1134/S1066362209060101
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DOI: https://doi.org/10.1134/S1066362209060101