Abstract
Large volumes of radioactive wastes of various activity levels and chemical composition are formed as a result of rehabilitation of radioactively contaminated lands. Deactivation works result in formation of both liquid and solid radioactive waste. Liquid radioactive waste after deactivation contains surfactants, complexing agents, inorganic acids, bases and salts as well as organic solvents. Solid radioactive waste includes radioactive soils, biomaterials, spent sorbents, etc. This chapter describes modern approaches to decontamination of deactivation solutions, radioactively contaminated soils, treatment of radioactive biological materials and spent sorption materials as well as disposal of radioactive waste after rehabilitation.
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