This paper discusses the impact of the parameter values used for the transport of radionuclides from high-level radioactive waste to the far-field on the long-term safety of a proposed geological disposal in the Boom Clay formation in Belgium. The methodology of the Safety Assessment is explained, and the results of the Safety Assessment for vitrified high-level waste and spent fuel are presented. The radionuclides having the strongest impact on the dose-to-man for both HLW glass and spent fuel are 79Se, 129I, 126Sn, 36Cl, and 99Tc. Some of them are volatile during the vitrification process, other radionuclides are activation products, and for many of them there is no accurate information on their inventory in the waste form. The hypotheses in the selection of the main parameter values are further discussed, together with the status of the R&D on one of the main dose contributing radionuclides (79Se).
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ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management
October 11–15, 2009
Liverpool, UK
Conference Sponsors:
- Nuclear Engineering Division and Environmental Engineering Division
ISBN:
978-0-7918-4407-6
PROCEEDINGS PAPER
Safety Assessment of Geological Disposal of High-Level Radioactive Waste in Boom Clay: Relation With the Radionuclide Inventory
Pierre Van Iseghem,
Pierre Van Iseghem
SCK-CEN, Mol, Belgium
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Jan Marivoet
Jan Marivoet
SCK-CEN, Mol, Belgium
Search for other works by this author on:
Pierre Van Iseghem
SCK-CEN, Mol, Belgium
Jan Marivoet
SCK-CEN, Mol, Belgium
Paper No:
ICEM2009-16418, pp. 617-622; 6 pages
Published Online:
December 12, 2010
Citation
Van Iseghem, P, & Marivoet, J. "Safety Assessment of Geological Disposal of High-Level Radioactive Waste in Boom Clay: Relation With the Radionuclide Inventory." Proceedings of the ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management, Volume 1. Liverpool, UK. October 11–15, 2009. pp. 617-622. ASME. https://doi.org/10.1115/ICEM2009-16418
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