Nanostructural characterizations of graphite waste from French gas-cooled nuclear reactors and links with 14C inventory

In addition, an important and original result of our work is the correlation of structural defects with the 14C level. Moreover, the presence of nanoporous nanostructure may be related to the significant 14C level increase from a certain neutron fluence. Thus, our study suggests that a significant part of 14C could be localized in the nanoporous areas. From this hypothesis, various waste management solutions can be imagined.