Abstract
The method of obtaining new sorbents on a natural carrier is described. It is shown that surface modification of granulated green earth with iron-potassium ferrocyanide and iron hydroxide compounds allows synthesizing materials with higher specificity and sorption capacity with respect to cesium and strontium radionuclides, respectively. The resulting sorbents are suitable for water treatment in both static and dynamic modes. The maintaining of good hydrodynamic characteristics after conducting experiments under dynamic conditions confirms the possibility of using them as filter loading in water purification and water treatment. Radionuclide-saturated sorbents can be considered as reliable matrices for immobilizing radionuclides. The promising areas for the use of modified green earth are the treatment of radionuclide-contaminated drinking water and the rehabilitation of natural water bodies in radioactively contaminated areas.
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