Effect of precipitation,sorption and stable of isotope on maximum release rates of radionuclides from engineered barrier system (EBS) in deep repository |
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Authors: | A Malekifarsani MA Skachek |
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Institution: | Moscow Power Engineering Institute (Technical University) (MPEI), Krasnokazarmennaya st., 17T Aviamatorhaya, 2222212 Moscow, Russian Federation |
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Abstract: | The basic function of the engineered barrier system (EBS) in geological disposal is to prevent or limit the release of radionuclides into the underground environment. For this purpose, the vitrified waste is contained in an overpack to isolate it from contact with groundwater for a certain initial period of time. However, it is impossible to ensure complete containment for all time. Therefore, the eventual release of nuclides must be minimized after the overpack fails (AEC, 1984. Radioactive waste processing and disposal measures; JNC, 2000a. Project to establish the scientific and technical basis for HLW disposal in Japan – first progress report-H3. Geological Environment in Japan, JNC TN1410 2000-002; JNC, 2000b. H12: project to establish the scientific and technical basis for HLW disposal in Japan – repository design and engineering technology, JNC TN1410 2000-003.). |
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Keywords: | Deep repository Release radionuclide from EBS Effect precipitation and sorption in discharge from near field Modeling of near field by Amber |
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