Objectif
Main objectives of ReCosy are the sound understanding of redox phenomena controlling the long-term release/retention of radionuclides in nuclear waste disposal and providing tools to apply the results to Performance Assessment/Safety Case. Although redox is not a new geochemical problem, different questions are still not resolved and thus raised by implementers and scientists. From a top-down approach, the reliability of redox measurements for site characterization, redox disturbances by the near-field materials, changes induced by glaciation scenarios or the redox buffer capacity of host-rocks and the kinetics of response to redox perturbations are addressed. From a bottom-up approach, questions concerning the interpretation of mixed potentials, surface mediated reactions, redox states of actinides and long-lived fission products, the source term of spent nuclear fuel in the presence of corroding steel as well as the role of microbes and biofilms on the evolution of the redox state are tackled. Radionuclide redox transformations on minerals are decisive scenarios in the NEA FEP list and in the RETROCK project. In the large FP 6 IPs NF-PRO and FUNMIG, redox phenomena controlling the retention of radionuclides were addressed, although not systematically considered. The ReCosy concept is innovative in the scientific approach to the redox phenomena, including i) advanced analytical tools, ii) investigations of processes responsible for redox control iii) required data on redox controlling processes, and iv) response to disturbances in disposal systems. To this aim, the scientific-technical work program is structured along six RTD workpackages, covering near-field and far-field aspects as well as all relevant host-rocks considered in Europe. The 28 partners of ReCosy include the key European Research Institutes and Universities from 12 European countries, and Russia.
Champ scientifique
- engineering and technologyother engineering and technologiesnuclear engineeringnuclear waste management
- natural sciencesphysical sciencesnuclear physicsnuclear fission
- engineering and technologyenvironmental engineeringenergy and fuels
- natural sciencesearth and related environmental sciencesphysical geographyglaciology
- natural scienceschemical sciencesnuclear chemistryradiation chemistry
Mots‑clés
Appel à propositions
FP7-Fission-2007
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Régime de financement
CP - Collaborative project (generic)Coordinateur
76131 Karlsruhe
Allemagne
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Participants (31)
75272 Paris
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45060 Orleans
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75015 PARIS 15
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412 96 GOTEBORG
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08243 MANRESA BARCELONA
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08019 Barcelona
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01328 Dresden
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50667 Koln
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00014 Helsingin Yliopisto
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1049 Bruxelles / Brussel
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250 68 Husinec Rez
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5232 Villigen Psi
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8010 Graz
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14469 Potsdam
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75794 Paris
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50009 Zaragoza
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61182 NYKOEPING
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1121 BUDAPEST
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1678 Nicosia
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02300 Vilnius
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3584 CS Utrecht
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100 44 Stockholm
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435 35 MOLNLYCKE
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17130 L'ESCALA
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191 50 SOLLENTUNA
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119992 MOSCOW
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169 03 Solna
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92298 Chatenay Malabry
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27160 Eurajoki
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LE11 3TU Loughborough
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M13 9PL Manchester
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