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Desorption of cesium from the surface of montmorillonite-humic acids and montmorillonite-iron hydroxide systems

  • Physical Chemistry of Water Treatment Processes
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Abstract

The paper has investigated the impact of the nature and concentration of desorbing reagents NH4Cl, (NH4)2Ox, NH4H2Cit, (NH4)2HCit and FeCl3 on washing of cesium ions from model clayey montmorillonite humic acids and montmorillonite iron (III) hydroxide systems. By their desorbing abili ty 0.1 M solutions of ammonium salts are arranged in the series: NH4Cl < NH4H2Cit < (NH4)2Ox < (NH4)2HCit. Also rather effective are 0.01 M solutions of FeCl3 in which along with autodesorption by ions Fe3+, FeOH2+ and Fe(OH)2 + the desorption process also involves H+ (pH 2.3) ions.

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Authors and Affiliations

  1. Dumanskii Institute of Colloid Chemistry and the Chemistry of Water, National Academy of Sciences of Ukraine, Kiev, Ukraine

    V. M. Fedorova, S. A. Kobets, G. N. Pshinko, V. Ya. Demchenko & V. V. Goncharuk

Authors
  1. V. M. Fedorova
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  2. S. A. Kobets
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  3. G. N. Pshinko
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  4. V. Ya. Demchenko
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  5. V. V. Goncharuk
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Corresponding author

Correspondence to V. M. Fedorova.

Additional information

Original Russian Text © V.M. Fedorova, S.A. Kobets, G.N. Pshinko, V.Ya. Demchenko, V.V. Goncharuk, 2015, published in Khimiya i Tekhnologiya Vody, 2015, Vol. 37, No. 3, pp. 240–247.

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Fedorova, V.M., Kobets, S.A., Pshinko, G.N. et al. Desorption of cesium from the surface of montmorillonite-humic acids and montmorillonite-iron hydroxide systems. J. Water Chem. Technol. 37, 128–132 (2015). https://doi.org/10.3103/S1063455X15030054

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  • DOI: https://doi.org/10.3103/S1063455X15030054

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