PUMMA

Current knowledge on how mixed oxide (MOX) fuel behaves in Generation-IV reactors is mainly obtained from feedback on earlier European sodium-cooled fast reactors. However, this knowledge cannot meet future needs regarding reactors, plutonium management or operating regimes. To address this problem, the EU-funded PUMMA project aims to outline various options for plutonium management in Generation-IV systems. It also aims to assess their impact on the full fuel cycle, taking into account safety and performance. In contrast with previous studies involving 15–30 % plutonium concentrations in MOX fuel, this project will provide results relating to 45 % plutonium fuels.

Duration: 1 October 2020 - 30 September 2024