Considering the future of spent fuel reprocessing it is necessary to underline that the main stream in its development should be aimed at waste treatment. All possible changes in process structure and in the usage of new reagents and techniques must fulfill the task of subsequent separation of individual radionuclides and their solidification in the forms, which satisfy the requirements of their final removal from biosphere. Solving this problem would be the goal of all researches for the nearest decades. These preliminary experimental results allow conclusion that the use one of fission product -'reactor' palladium as a material for I-129 and TPE immobilization seems to be quite justified. (It is evident that the use of natural palladium is impossible due to its high cost and deficiency). At the same time the use of palladium in radioactive waste reprocessing flowsheet (where the presence of radioactive ~(107)Pd nuclide is of no importance), could play a main role in the creation of the demand on this metal.
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