A comparative study is presented on decontamination of the solutions containing 226Ra(II), by applying coprecipitation of Ba(Ra)SO 4 followed by flotation and selective adsorption on active carbon. The comparative study revealed the performances of separation by coprecipitation-flotation and the possibility of applying the selective adsorption on active carbon. Both methods ensure the decreasing of 226Ra(II) concentration under the allowed limits, recommended by International Standards.
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