Abstract
The generic objective of partitioning and transmutation strategies is to improve nuclear waste management by minimizing nuclear waste mass, reducing the heat load and the quantity of potential radiotoxic isotopes to be disposed finally in a geological repository. The transmutation performances of the different systems (thermal reactors, fast critical reactors, accelerator driven systems), having the capability of transmuting most of the radiotoxic long-lived elements present in the waste, such as minor actinides (americium, curium and neptunium) and some long-lived fission products (technetium 99, iodine 129 or cesium 135), are compared on the basis of the characteristics of transmutation physics.
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