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Separation and purification of elements from alkaline and carbonate nuclear waste solutions
Boyarintsev Alexander V.,Stepanov Sergei I.,Kostikova Galina V.,Zhilov Valeriy I.,Safiulina Alfiya M.,Tsivadze Aslan Yu 한국원자력학회 2023 Nuclear Engineering and Technology Vol.55 No.2
This article provides a survey of wet (aqueous) methods for recovery, separation, and purification of uranium from fission products in carbonate solutions during the reprocessing of spent nuclear fuel and methods for removal of radionuclides from alkaline radioactive waste. The main methods such as selective direct precipitation, ion exchange, and solvent extraction are considered. These methods were compared and evaluated for reprocessing of spent nuclear fuel in carbonate media according to novel alternative non-acidic methods and for treatment processes of alkaline radioactive waste.