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Glossary:Separative work unit (SWU)

Separative work unit, abbreviated as SWU, is the standard measure of the effort required to separate isotopes of uranium (U235 and U238) during an enrichment process in nuclear facilities. 1 SWU is equivalent to 1 kg of separative work. As a larger unit, 1 tonne of separative work units or tSWU equals 1,000 kg of separative work.

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