Czechoslovak Journal of Physics

, Volume 56, Supplement 4, pp D111–D118 | Cite as

Modeling of cesium transport through sand-bentonite mixtures

  • L. Kraus
  • Z. Klika
  • D. Vopálka


The sorption and transport of Cs through mixture of Ca/Mg-bentonite and sand have been studied using five column experiments with different bentonite/sand ratio, initial Cs concentration and column height. For comparison the batch experiments with small m/V ratio and high Cs concentration were performed. The results showed that Cs removal from aqueous solution by bentonite is controlled by ion-exchange reaction between Cs and Ca/Mg initially sorbed on bentonite and that there is a consistency between the results obtained from batch equilibrium data and the results obtained from column experiments verified in the environment of PHREEQC.


Bentonite Column Experiment Thermodynamic Equilibrium Constant Retardation Coefficient Code PHREEQC 
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Copyright information

© Institute of Physics, Academy of Sciences of Czech Republic 2006

Authors and Affiliations

  • L. Kraus
    • 1
  • Z. Klika
    • 1
  • D. Vopálka
    • 2
  1. 1.Department of Analytical Chemistry and Material TestingVŠB-Technical University OstravaOstrava-PorubaCzech Republic
  2. 2.Department of Nuclear ChemistryCzech Technical University in PraguePrague 1Czech Republic

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