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Slow processes in close-to-equilibrium conditions for radionuclides in water/solid systems of relevance to nuclear waste management

About SKIN Project

SKIN project is a 36 months (2011-2013) Collaborative Project under the Seventh Framework Programme of the European Atomic Energy Community (EURATOM).

The project will study slow processes influencing radionuclide mobility in close-to-equilibrium scenarios in a detailed and systematic manner in relation to surface properties, surface site detachment/attachment kinetics, irreversible sorption and surface incorporation, for cases relevant to the assessment of radionuclide mobility in nuclear waste repository sites.


The objectives of the project are:

  • To assess the use/misuse of solubility data of sparingly soluble tetravalent actinides
  • To understand the coupling of major and trace element chemistry in radionuclide migration behaviour considering the extremely large exchange pool of natural minerals present in the disposal sites
  • To include irreversibility in models on the mobility of radionuclides in the repository environment
  • To assess to what degree the ignorance/non-inclusion of these studied slow processes leads, in performance assessment (PA), to over-conservative, or in few cases, even too optimistic evaluations. The inclusion of such processes in PA will also be assessed


SKIN project includes 10 partners (7 countries) from Europe and People's Republic of China.

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