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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Plecas, Ilija Dimovic, Slavko Pesic, Radojica |
| Copyright Year | 2011 |
| Abstract | Traditional methods of processing evaporator concentrates from Nuclear Power Plants are evaporation and cementation. These methods allow transforming a liquid radioactive waste into a more inert form, suitable for a final disposal. To assess the safety for disposal of radioactive mortar-waste composition, the leaching of 137Cs from immobilized radioactive evaporator concentrate into a surrounding fluid has been studied. Leaching tests were carried out in accordance with a method recommended by IAEA. Curing conditions and curing time prior to commencing the leaching test are critically important in leach studies since the extent of hydration of the cement materials determines how much hydration product develops and whether it is available to block the pore network, thereby reducing leaching. Incremental leaching rates Rn (cm/d) of 137Cs from evaporator concentrates after 1825 days were measured. The results presented in this paper are examples of results obtained in a 30-year concrete testing project which will influence the design of the engineer trenches system for future central Serbian radioactive waste storing center. |
| Sponsorship | Nuclear Engineering Division and Environmental Engineering Division |
| Starting Page | 907 |
| Ending Page | 909 |
| Page Count | 3 |
| File Format | |
| ISBN | 9780791854983 |
| DOI | 10.1115/ICEM2011-59006 |
| Volume Number | ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management, Parts A and B |
| Conference Proceedings | ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management |
| Language | English |
| Publisher Date | 2011-09-25 |
| Publisher Place | Reims, France |
| Access Restriction | Subscribed |
| Subject Keyword | Radioactive waste Radionuclide Concrete Leaching Cement Cements (adhesives) Hardening (curing) Radioactive wastes |
| Content Type | Text |
| Resource Type | Article |
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