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Modern spent fuel dissolution and chemistry in failed container conditions

Objective

While the scientific understanding of the dissolution of standard spent uranium oxide fuel has reached a certain mature state, new types of fuels with additives (“doped fuels”) have been developed. These fuels are already in use in some reactors, and their use is foreseen to be expanded. Dissolution data is now required to confirm that the dissolution behaviour of such fuels in a geological repository environment is similar to that of standard fuel. Similarly, there is a dearth of dissolution data from MOX fuels, which are also currently in use in several reactors. This project is therefore targeting oxide fuels containing additives, including Cr, Gd and Pu, in order to ensure that relevant characteristics are understood to a level commensurate with standard fuels. This project aims to expand the database on spent fuel dissolution with results from dissolution studies performed in truly reducing conditions, with hydrogen present. The effects of dopants will be investigated through experiments using both spent nuclear fuel and synthetic materials specifically designed for the project. In addition, chemical modelling will be employed to improve the understanding and description of the dissolution process relevant to the expected chemical conditions inside a failed waste container in a deep geological repository environment.
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Coordinator

SVENSK KARNBRANSLEHANTERING AKTIEBOLAG

Address

Box 3091
169 03 Solna

Sweden

Activity type

Private for-profit entities (excluding Higher or Secondary Education Establishments)

EU Contribution

€ 256 125

Participants (16)

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AMPHOS 21 CONSULTING SL

Spain

EU Contribution

€ 395 437,50

THE UNIVERSITY OF SHEFFIELD

United Kingdom

EU Contribution

€ 98 550

Teknologian tutkimuskeskus VTT Oy

Finland

EU Contribution

€ 110 000

KARLSRUHER INSTITUT FUER TECHNOLOGIE

Germany

EU Contribution

€ 464 310

CENTRO DE INVESTIGACIONES ENERGETICAS, MEDIOAMBIENTALES Y TECNOLOGICAS-CIEMAT

Spain

EU Contribution

€ 195 342,50

FORSCHUNGSZENTRUM JULICH GMBH

Germany

EU Contribution

€ 235 000

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE

United Kingdom

EU Contribution

€ 135 000

STUDSVIK NUCLEAR AB

Sweden

EU Contribution

€ 470 000

FUNDACIO CTM CENTRE TECNOLOGIC

Spain

FUNDACIO EURECAT

Spain

EU Contribution

€ 190 800

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

Belgium

EU Contribution

€ 255 000

COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

France

EU Contribution

€ 100 620

NATIONAL NUCLEAR LABORATORY LIMITED

United Kingdom

EU Contribution

€ 270 000

PAUL SCHERRER INSTITUT

Switzerland

EU Contribution

€ 202 707,50

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

France

EU Contribution

€ 92 790

JRC -JOINT RESEARCH CENTRE- EUROPEAN COMMISSION

Belgium

EU Contribution

€ 515 993

Project information

Grant agreement ID: 755443

Status

Ongoing project

  • Start date

    1 June 2017

  • End date

    31 May 2021

Funded under:

H2020-Euratom-1.2.

  • Overall budget:

    € 4 692 067,50

  • EU contribution

    € 3 987 675,50

Coordinated by:

SVENSK KARNBRANSLEHANTERING AKTIEBOLAG

Sweden