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Bandeau IGD-TP 2

Joint activities

The following activity outlines are draft document that will evolve over time as the projects progress.

Meeting of “cement-organics-radionuclide-interactions” - minutes available

Organics are present in cement based materials as: (1) Waste components, and (2) Organic cement additives, partly in significant concentrations especially in low pH cements.

The organic components as well as their degradation products may interact with radionuclides forming soluble complexes affecting the radionuclide source term. The IGD-TP working group on cement-organics-radionuclide-interactions (CORI) (Joint Activity 6a) aims to discuss among others following topics:

  • General and concept specific issues, such as organic inventories in disposal projects, waste, constructions materials, etc.
  • Transformation of organic polymers into aqueous ligands by various degradation processes
  • Interactions of organic degradation products with respect to aqueous complexation, solubility and sorption.
  • Redox processes in the presence of organics, microbial processes and relevance of organic/iron interactions.

A first meeting was held on 10-11th March 2015 in Karlsruhe Institute of Technology (KIT), Institute for Nuclear Waste Disposal (INE),  Karlsruhe, Germany.

The objectives were to (i) introduce key aspects of the topic via 2-3 invited lectures, (ii) have short presentations from the participants on specific interests and perspectives, and (iii) discuss about future research required in this field. Below the relevant documentation of this first meeting:

icon JA6a CORI meeting March 2015 minutes

icon JA6a CORI meeting March 2015 - participants

icon JA6a CORI March 2015 List of presentations

icon JA6a CORI meeting March 2015 - the WMO views

icon CORI meeting March 2015 - Summary & next steps

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