Systems Engineering Approach for the Reuse of Metallic Waste From NPP Decommissioning and Dose Evaluation

The oldest commercial reactor in South Korea, Kori-1 Nuclear Power Plant (NPP), will be shut down in 2017. Proper treatment for decommissioning wastes is one of the key factors to decommission a plant successfully. Particularly important is the recycling of clearance level or very low level radioact...

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Bibliographic Details
Published in:Journal of nuclear fuel cycle and waste technology (Online) 2017, 15(1), , pp.45-63
Main Authors: Seo, Hyung-Woo, Kim, Chang-Lak
Format: Article
Language:English
Subjects:
원자력공학
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Summary:The oldest commercial reactor in South Korea, Kori-1 Nuclear Power Plant (NPP), will be shut down in 2017. Proper treatment for decommissioning wastes is one of the key factors to decommission a plant successfully. Particularly important is the recycling of clearance level or very low level radioactively contaminated metallic wastes, which contributes to waste minimization and the reduction of disposal volume. The aim of this study is to introduce a conceptual design of a recycle system and to evaluate the doses incurred through defined work flows. The various architecture diagrams were organized to define operational procedures and tasks. Potential exposure scenarios were selected in accordance with the recycle system, and the doses were evaluated with the RESRAD-RECYCLE computer code. By using this tool, the important scenarios and radionuclides as well as impacts of radionuclide characteristics and partitioning factors are analyzed. Moreover, dose analysis can be used to provide information on the necessary decontamination, radiation protection process, and allowable concentration limits for exposure scenarios. KCI Citation Count: 3
ISSN:1738-1894
2288-5471
DOI:10.7733/jnfcwt.2017.15.1.45