期刊
ANNALS OF NUCLEAR ENERGY
卷 166, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.anucene.2021.108736
关键词
Deep geological repository; Nuclear waste; Radioactive waste; Spent nuclear fuel (SNF); U-238
资金
- Award for Young Leaders in International Scientific Cooperation from the Victor Rabinowitch Memorial Symposium by the Richard Lounsbery Foundation
- Bulletin of the Atomic Scientists
- CRDF Global
- Universiti Teknologi Malaysia [Q.J130000.21A6.00P14]
Nuclear power is a sustainable energy option, but it generates radioactive waste during electricity production. Various technologies, including vitrification, partitioning and transmutation, pyro-processing, and deep geological repository, are reviewed for long-term storage of partially used nuclear fuel. While deep geological repository may be convenient and economical in the short-term, complete recycling of nuclear waste is considered the best option in the long-term.
Nuclear power is an ideal option for sustainable energy sources from U-235 fission. However, this energy generates long-term radioactive waste such as partially used nuclear fuel (PUNF) during electricity production. This work reviews various technologies to provide viable, sustainable, and long-term solutions for the PUNF storage. They include vitrification, partitioning and transmutation (P&T), pyro-processing, and deep geological repository (DGR). Their benefits and drawbacks are evaluated and compared based on previous studies. How to deal with the public perception of DGR and its impacts on the future of nuclear energy and the business opportunities of nuclear storage technology in the global market are discussed. A perspective of recycling nuclear waste into usable fuel is also elaborated. Our literature survey of 160 published articles (1981-2021) showed that DGR is the most ideal solution for long-term storage of the PUNF, as it provides an ultimate destination in a deep underground that permanently isolates the waste from inhabitants and the environment. Although storing PUNF in a DGR maybe convenient and economical in the short-term, the waste must be stored in a retrievable form so that it can be recycled as a fuel. In the long-term, a complete recycling of used nuclear fuel is the best option. As technological solutions and sound radioactive waste management policy are important for the safe storage of PUNF, stakeholders in the nuclear industry should portray long-term radioactive waste management through viable, feasible, and permanent solutions to waste storage for the sake of public safety and the environment. (c) 2021 Elsevier Ltd. All rights reserved.
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