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Fate of Repository Gases

Fate of Repository Gases

Objective

The multiple barrier concept is the cornerstone of all proposed schemes for underground disposal of radioactive wastes. The concept invokes a series of barriers, both engineered and natural, between the waste and the surface. Achieving this concept is the primary objective of all disposal programmes, from site appraisal and characterisation to repository design and construction. However, the performance of the repository as a whole (waste, buffer, engineering disturbed zone, host rock), and in particular its gas transport properties, are still poorly understood. Issues still to be adequately examined that relate to understanding basic processes include: dilational versus visco-capillary flow mechanisms; long-term integrity of seals, in particular gas flow along contacts; role of the EDZ as a conduit for preferential flow; laboratory to field up-scaling. Understanding gas generation and migration is thus vital in the quantitative assessment of repositories and is the focus of the research in this proposal for an integrated, multi-disciplinary project. The FORGE proposal is for a pan-European project with links to international radioactive waste management organisations, regulators and academia, specifically designed to tackle the key research issues associated with the generation and movement of repository gasses. Of particular importance are the long-term performance of bentonite buffers, plastic clays, indurated mudrocks and crystalline formations. Further experimental data are required to reduce uncertainty relating to the quantitative treatment of gas in performance assessment. FORGE will address these issues through a series of laboratory and field-scale experiments, including the development of new methods for up-scaling allowing the optimisation of concepts through detailed scenario analysis. The FORGE partners are committed to training and CPD through a broad portfolio of training opportunities and initiatives which form a significant part of the project.

Coordinator

NATURAL ENVIRONMENT RESEARCH COUNCIL

Address

Polaris House, North Star Avenue
Sn2 1eu Swindon Wiltshire

United Kingdom

Activity type

Research Organisations

EU Contribution

€ 1 455 120

Participants (24)

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REGIA AUTONOMA PENTRU ACTIVITATI NUCLEARE DROBETA TR. SEVERIN RA SUCURSALA CERCETARI NUCLEARE PITESTI

Romania

NUCLEAR DECOMMISSIONING AUTHORITY - NDA

United Kingdom

EU Contribution

€ 210 000

SVENSK KARNBRANSLEHANTERING AKTIEBOLAG

Sweden

EU Contribution

€ 374 750

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

Belgium

EU Contribution

€ 848 000

AGENCE NATIONALE POUR LA GESTION DES DECHETS RADIOACTIFS

France

EU Contribution

€ 297 201

COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

France

EU Contribution

€ 100 000

CENTRO DE INVESTIGACIONES ENERGETICAS, MEDIOAMBIENTALES Y TECNOLOGICAS-CIEMAT

Spain

EU Contribution

€ 273 000

CENTRE INTERNACIONAL DE METODES NUMERICS EN ENGINYERIA

Spain

EU Contribution

€ 333 000

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

France

EU Contribution

€ 100 000

ECOLE CENTRALE DE LILLE

France

EU Contribution

€ 178 120

ELECTRICITE DE FRANCE

France

EU Contribution

€ 185 000

GESELLSCHAFT FUR ANLAGEN UND REAKTORSICHERHEIT (GRS) gGmbH

Germany

EU Contribution

€ 140 000

NATIONALE GENOSSENSCHAFT FUER DIE LAGERUNG RADIOAKTIVER ABFAELLE

Switzerland

EU Contribution

€ 470 000

UNIVERSITE DE LIEGE

Belgium

EU Contribution

€ 159 800

POSIVA OY

Finland

EU Contribution

€ 40 000

CESKE VYSOKE UCENI TECHNICKE V PRAZE

Czechia

EU Contribution

€ 199 840

UJV REZ, a. s.

Czechia

EU Contribution

€ 125 000

INSTITUT DE RADIOPROTECTION ET DE SURETE NUCLEAIRE

France

EU Contribution

€ 228 000

REGIA AUTONOMA TEHNOLOGII PENTRU ENERGIA NUCLEARA - RATEN

Romania

EU Contribution

€ 75 000

Institut für Gebirgsmechanik GmbH

Germany

EU Contribution

€ 85 000

LIETUVOS ENERGETIKOS INSTITUTAS

Lithuania

EU Contribution

€ 30 956

EIDGENOSSISCHES NUKLEARSICHERHEINSPEKTORAT ENSI

Switzerland

EU Contribution

€ 50 560

Federal Agency for Nuclear Control

Belgium

EU Contribution

€ 30 300

Radioactive Waste Repository Authority

Czechia

Project information

Grant agreement ID: 230357

Status

Closed project

  • Start date

    1 February 2009

  • End date

    30 September 2013

Funded under:

FP7-EURATOM-FISSION

  • Overall budget:

    € 11 626 902

  • EU contribution

    € 5 988 647

Coordinated by:

NATURAL ENVIRONMENT RESEARCH COUNCIL

United Kingdom