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Sustainable Nuclear Systems: Flexibility for Optimal Resource Utilization and Waste Reduction

Explore the potential of transmutation and partitioning technologies in nuclear systems to achieve sustainability by utilizing natural resources efficiently, minimizing long-lived wastes, and denaturing fissile materials. This includes reducing inventories and radio-toxicity in final disposal while maintaining economic viability and geological storage. Assessment of various options like TRU transmutation in PWRs and the use of ADS, FNR, and 6th Gen IV systems for global TRU recycling. Discover the benefits of fast neutron spectra and selective partitioning for improved fuel cycles and overall system flexibility.

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Sustainable Nuclear Systems: Flexibility for Optimal Resource Utilization and Waste Reduction

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  1. Transmutation and partitioning Thermal neutron spectrum Global (all M.A.) Heterogeneous ADS TRU Selective partitioning Homogeneous Critical Fast neutron spectrum Are nuclear systems too flexible ???

  2. Sustainability : Natural resources utilisation Minimising long-lived wastes Fissile material denaturation Reduced inventories in final disposal Reduced activity and radio-toxicity in final disposal Reduced inventories in the overall fuel cycle Reduced activity in the overall fuel cycle Economy Criteria

  3. Evaluation ? Geological Disposal

  4. Using PWR (TRU transmutation) : Medium term for TRU inventory reduction in reactor but strong impact on current fuel cycle facilities (some options are ruled out) Use of natural U resources Fissile material denaturation Using ADS : R&D needed for viability and feasibility Not sustainable per se Using FNR and global TRU recycling Sustainable 6 Gen IV systems : 4 fast neutron spectrum with global recycling of TRU Promising prospects for resolving new fuel cycle issues Some statements

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