Abstract

Stable isotopes of strontium are common components of natural waters, soils, and soil solutions, whereas radioactive isotopes such as Sr-90 are components of liquid radioactive waste and pollutants of the environment. Sorption method is used for decreasing toxicity of drinking waters when elevated concentrations of stable isotopes are present as well as for deactivation of aqueous media containing radioactive isotopes of strontium. The chapter discusses natural and artificial sorbents for strontium sorption from various aqueous solutions. Mechanisms of strontium sorption by various types of sorbents and factors affecting strontium sorption are described. The effect of concentrations of cations and anions in a solution on sorption and redistribution of strontium between liquid and solid phase is shown.

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