Issues

Minor Actinides Transmutation in Generation IV Systems

Figure 1 - Plutonium consumption as a function of the plutonium content of the initial fuel

Figure 2 - Homogeneous/heterogeneous modes and dedicated reactors: fuel layout in the reactor

Figure 3 - Ratio of fission and capture cross sections in LWR and RNR for minor actinides

Figure 5 - Schematic diagram of the fuel cycle currently used in France

Figure 6 - Evolution of residual power and neutron sources of CCAm 10% 5 cycles, MOX standard RNR, MOX &#43; 3% Am (homogeneous transmutation mode) and residual power of CCAm 20% 10 cycles assemblies.

Figure 7 - Radiotoxic inventory of waste

Figure 8 - Waste residual power per element for spent LEU fuel (45 GWj/t, after 4 years of cooling)

Figure 9 - Scenario for the evolution of the current French fleet towards an RNR-Na fleet in two stages (introduction of RNR from 2040)

Figure 10 - Total inventory of plutonium and minor actinides in cycle

Figure 11 - Evolution of the inventory of transuranics (plutonium &#43; minor actinides) in waste

Figure 12 - Radiotoxicity by ingestion of waste produced from 2038 to 2150

Figure 13 - Thermal power of vitrified packages as a function of storage time