Abstract
The article has investigated sorption of U(VI) on a smectite mineral—saponite from the Tashkinsk deposit in the Khmelnitsk region. The equilibrium in the U(VI)-saponite system sets in within 8 h. The relationship between sorption and the pH has a clear-cut maximum characteristic of uranium sorption on aluminum-silicates at the pH values 5.5–7. The U(VI) sorption isotherm on saponite is described by the Langmuir empirical equation. We have established the influence on the sorption process of complexation reagents (EDTA, carbonate ions, fulvic acids). Based on experimental data the possibility of using the sorption method with the employment of saponite for water treatment containing uranium is shown.
Published Version
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