| 摘要 |
A nuclear reactor fuel for use in a heavy-water reactor or graphite reactor, produced from a fuel substance recovered from a fuel spent in a light-water reactor without enrichment of U235 contained in the fuel substance. Further, there is provided a process for producing a nuclear reactor fuel for use in a heavy-water reactor or graphite reactor, comprising the fuel substance recovering step of recovering a fuel substance from a fuel spent in a light-water reactor and the fuel producing step of producing a fuel from the recovered fuel substance without enrichment of U235 contained in the fuel substance.
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