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Mathematical modelling of immobilization of radionuclides Cs-137 and Co-60 in concrete matrix
dc.creator | Plećaš, Ilija B. | |
dc.date.accessioned | 2018-03-01T21:16:00Z | |
dc.date.available | 2018-03-01T21:16:00Z | |
dc.date.issued | 2010 | |
dc.identifier.issn | 0149-1970 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/4029 | |
dc.description.abstract | Transport phenomena involved in the leaching of a radioactive material from a cement composite matrix are investigated using an empirical method employing a polynomial equation. To assess the safety for disposal of radioactive waste-cement composition, the leaching of Cs-137 and Co-60, from a waste composite into a surrounding fluid has been studied. Leaching tests were carried out in accordance with a method recommended by IAEA. Determination of retardation factors, K-F and coefficients of distribution, k(d), using a simplified mathematical model for analyzing the migration of radionuclides, have been developed. Transport phenomena involved in the leaching of a radioactive material from a cement composite matrix are investigated using an empirical method employing a polynomial equation. In our experiment we have analized mechanism of Cs-137 and Co-60 leaching values during a period of 60 days. Results presented in this paper are examples of results obtained in a 25-year mortar and concrete testing project, which will influence the design of the engineered trenches system for a future central Serbian radioactive waste storage center. (C) 2010 Elsevier Ltd. All rights reserved. | en |
dc.rights | restrictedAccess | en |
dc.source | Progress in Nuclear Energy | en |
dc.subject | Leaching | en |
dc.subject | Retardation factor | en |
dc.subject | Immobilization | en |
dc.subject | Radioactive waste | en |
dc.title | Mathematical modelling of immobilization of radionuclides Cs-137 and Co-60 in concrete matrix | en |
dc.type | article | en |
dcterms.abstract | Плецас, И. Б.; | |
dc.citation.volume | 52 | |
dc.citation.issue | 7 | |
dc.citation.spage | 685 | |
dc.citation.epage | 688 | |
dc.identifier.wos | 000279441400012 | |
dc.identifier.doi | 10.1016/j.pnucene.2010.03.005 | |
dc.citation.rank | M22 | |
dc.identifier.scopus | 2-s2.0-77953229443 |
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