Molten Salt Reactor Chemistry: Structure and Equilibria

Molten salts are a class of ionic liquids which have in recent years been the focus of extensive fundamental research given that they are a versatile class of reaction media with a variety of appealing thermophysical and thermochemical properties (e.g. melting points, heat capacities, vapor pressures, densities, thermal conductivities, etc..)...

Thermodynamic properties of the actinide oxides solid solutions: A calorimetric study

The work presented in this thesis provides new data on the behaviour of the binary mixed actinide oxides of the following systems: (Th,Pu)O2, (U,Pu)O2, (Th,U)O2, (U,Am)O2. The results were obtained by performing measurements in a large temperature interval, for some compounds the thermodynamic properties were studied in the range from about 2 to...

Redox behaviour of model systems for spent nuclear fuel surfaces

Safety assessments are the main pillars of the analysis of the impact of storage of the spent nuclear fuel. There are many scenarios to describe what might happen during the storage and disposal time of the nuclear waste. Even though the main composition of the spent nuclear is UO2, the matrix contains transuranium elements and fission products,...

Isotopic signatures for origin assessment of natural uranium samples