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- 저자 : J.M. Perlado (검색결과 1 건)
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Development of a gamma irradiation loop to evaluate the performance of a EURO-GANEX process
I. Sanchez-García,H. Galan,A. Núnez,J.M. Perlado,J. Cobos 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.5
A new irradiation loop design has been developed, which provides the ability to carry out radiolyticresistance studies of extraction systems simulating process relevant conditions in an easy and simpleway. The step-by-step loop configuration permits an easy modification of settings and has a relative lowvolume requirement. This irradiation loop has been initially set up to test the main EURO-GANEX processsteps: the lanthanide (Ln) and actinide (An) co-extraction followed by the transuranic (TRU) stripping. The performance and changes in the composition have been analyzed during the irradiation experimentby different techniques: gamma spectroscopy and ICP-MS for the extraction and corrosion behavior ofthe full system, and HPLC-MS and Raman spectroscopy to determine the degradation of the organic andaqueous solvents, respectively. The Ln and An co-extraction step and the corrosion that occurred duringthe first irradiation step revealed the favorable expected results according to literature. The effects ofacidity changes occurred during the irradiation process, the presence of stainless corrosion products insolution as well as the new possible degradation compounds have been explored in the An stripping step. The results obtained demonstrate the importance of developing realistic irradiation experiments wheredifferent factors affecting the performance can be easily studied and isolated
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