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Ukrainian NPPs have accumulated in total more than 33 thousands m 3 of liquid radioactive wastes (LRW) of different activity categories. The known methods of processing the sediments from LRW temporary storage containers cannot be widely applied because of their low technological and economic efficiency, as well as due to lack of storage facilities for the final product, which has a larger volume in comparison to the initial LRW. It is proposed to separate components of preliminary purified LRW, and then to process them by periodic portioned filtering through a layer of fine-dispersed adsorbent in the flow of the circulating eluent. This method permits to reduce significantly the amount of radioactive wastes and to extract valuable non-radioactive components in a purified form.
Keywords: liquid radioactive waste, reprocessing, fractional separation, adsorbent.
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