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Registration Number

0219U101473, 0119U102088 , R & D reports

Title

Development of methodical recommendations on choice of the best procedure for calculation the coefficient of radionuclide vector for solid radioactive wastes characterization of ChNPP

Head

Shcherbin Volodymyr M.,

Registration Date

06-08-2019

Organization

Institute for Safety Problems of Nuclear Power Plants of the National Academy of Sciences of Ukraine

Description

Objects of research are the activity of radionuclides in the composition of NPP waste, radionuclide vectors (RV), methods of estimation of the content of hard-to-measure (RVV) radionuclides in the composition of NPP solid wastes. The purpose of the research is to develop methodological recommendations for the choice of the optimal procedure for calculating the numerical values of the coefficients of radionuclide vectors, depending on the results of the analysis of experimental data on the activity of radionuclides in solid radioactive waste. Research methods are information search, analytical and calculation methods. The results of studying the world experience of characterization of low - and medium - level solid radioactive waste (SRW) generated by NPP are briefly presented using the methodology of RV. The content of international recommendations, standards and results of scientific publications on the use of standard procedures for the processing of laboratory research data was conducted, and their testing was performed on real data on radionuclide contamination of operational waste generated at the Chornobyl NPP (ChNPP). Conclusions have been made as to what factors should be taken into account when conducting studies to obtain correct results of the estimation of the average values of the RV coefficients. The research results are aimed at the development of technologies and technical measures for the safe management of radioactive waste. It is envisaged that the results of the work will be provided to the ChNPP to ensure the most efficient use of the RV methodology for characterization of the landfill batch.

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Bezmylov Valentyn M.
Krasnov Volodymyr O.
Mykhailov Oleksandr V.
Khan Valerii Ye.-I.