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combustible nuclear gastado Nuclear fuel that has been irradiated in a nuclear reactor (usually at a nuclear power plant)
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In the meantime, used nuclear fuel, some of it decades old, languishes in holding tanks.
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North Korea yesterday told the US that it had finished reprocessing used nuclear fuel into bomb-grade plutonium.
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All reactors were shut down in 2011, but cooling is still needed for the used nuclear fuel stored on the site.
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It pledges not to enrich uranium or reprocess used nuclear fuel, and is obliged to import all fuel for its nuclear reactors.
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Used nuclear fuel is reprocessed to extract the remaining uranium and plutonium generated during irradiation of the fuel in the reactor.