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Model uncertainty for the mechanism of dissolution of spent fuel in a nuclear waste repository

Objective

The proposed coordinated action attempts to assess the uncertainties in models describing the dissolution mechanism of spent nuclear fuel in a repository for geological time periods. Most worldwide leading experts in the field from research and waste management and organisations are present in the project, representing different approaches to the prediction on the performance of disposed spent fuel for very long times: based on either electrochemical, geochemical and/or radiolytical viewpoint. Simplified operational models are used by waste management and regulating organisations for the predictions in more complex systems.

The objective of the project is threefold:
(1) To compare the different approaches and underlying hypotheses in the context of an evaluation of the quality of key experimental data. In this context two types of uncertainties are assessed: uncertainties governed by the divergence between the various models and the experimental databases and uncertainties in predictions that arise by comparing the outcomes of the various models
2) To share the knowledge about the approaches and methodologies used in spent fuel performance analyses between the various participating organisations and
(3) To identify future research needs to reduce the observed uncertainties.

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Coordinator

ASSOCIATION POUR LA RECHERCHE ET LE DEVELOPPEMENT DES METHODES ET PROCESSUS INDUSTRIELS

Address

60, Boulevard Saint-Michel
Paris

France

Administrative Contact

Bernd GRAMBOW (Mr)

Participants (19)

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AGENCE NATIONALE POUR LA GESTION DES DECHETS RADIOACTIFS

France

COMMISSARIAT A L'ENERGIE ATOMIQUE (CEA)

France

CENTRO DE INVESTIGACIONES ENERGETICAS, MEDIOAMBIENTALES Y TECNOLOGICAS-CIEMAT

Spain

EMPRESA NACIONAL DE RESIDUOS RADIOACTIVOS S.A.

Spain

AMPHOS 21 CONSULTING SL

Spain

KARLSRUHE INSTITUTE OF TECHNOLOGY

Germany

INSTITUT DE RADIOPROTECTION ET DE SURETE NUCLEAIRE

France

COMMISSION OF THE EUROPEAN COMMUNITIES - DIRECTORATE GENERAL JOINT RESEARCH CENTRE

Belgium

KUNGLIGA TEKNISKA HOEGSKOLAN

Sweden

NATIONALE GENOSSENSCHAFT FUER DIE LAGERUNG RADIOAKTIVER ABFAELLE

Switzerland

STUDIECENTRUM VOOR KERNENERGIE - CENTRE D'ETUDE DE L'ENERGIE NUCLEAIRE

Belgium

SVENSK KAERNBRAENSLEHANTERING AB

Sweden

SWEDISH RADIATION PROTECTION AUTHORITY

Sweden

STUDSVIK NUCLEAR AB

Sweden

UNIVERSITAT POLITECNICA DE CATALUNYA

Spain

GESELLSCHAFT FUER ANLAGEN- UND REAKTORSICHERHEIT (GRS) MBH

Germany

ASSOCIATIE VINCOTTE NUCLEAIRE

Belgium

QUINTESSA LTD

United Kingdom

BEL V PRIVATE STICHTING/FONDATION PRIVEE

Belgium

Project information

Grant agreement ID: 36366

  • Start date

    1 October 2006

  • End date

    30 September 2009

Funded under:

FP6-EURATOM-NUWASTE

  • Overall budget:

    € 1 750 482

  • EU contribution

    € 1 300 000

Coordinated by:

ASSOCIATION POUR LA RECHERCHE ET LE DEVELOPPEMENT DES METHODES ET PROCESSUS INDUSTRIELS

France