Iodine chemistry and mitigation methods

Objective

Reliable models for the behaviour of iodine in a reactor containment following a severe nuclear reactor accident are essential to predicting the potential release to the environment, and thus to developing and qualifying appropriate mitigation strategies and devices. Whilst most aspects of iodine chemistry are now adequately understood, particularly for PWR conditions, some outstanding issues remain. Firstly, some processes leading to the destruction of volatile forms of iodine are not well quantified. Improved knowledge of these destruction rates will allow their importance to be assessed, in terms of natural mitigation processes and accident management interventions. Secondly, effects on iodine behaviour of certain materials and conditions, specific to BWR systems, are unknown. Understanding these specific effects will allow data and models developed mainly for PWR systems to be applied with confidence to BWR source term predictions.

Fields of science

• engineering and technology › other engineering and technologies › nuclear engineering
• natural sciences › chemical sciences › inorganic chemistry › halogens

Programme(s)

• FP5-EAECTP C - Research and training programme (Euratom) in the field of nuclear energy (1998 to 2002)

Topic(s)

• 2.1.2.-1.2.1 - Severe accident management measures

Call for proposal

Data not available

Funding Scheme

CSC - Cost-sharing contracts

Coordinator

AEA TECHNOLOGY PLC

Address

Winfrith Technology Centre
DT2 8DH Dorchester - Dorset
United Kingdom

Participants (6)

CHALMERS UNIVERSITY OF TECHNOLOGY

Sweden

Address

4,kemivägenl Liason Office Cth 4
412 96 Göteborg

COMMISSION OF THE EUROPEAN COMMUNITIES

Netherlands

Address

Westerduinweg 3
1755 ZG Petten

FRAMATOME ANP GMBH

Germany

Address

Freyeslebenstrasse 1
91058 Erlangen

INSTITUT DE RADIOPROTECTION ET DE SURETE NUCLEAIRE

France

Address

77/83 Av. Du General De Gaule
92140 Clamart

NUCLEAR RESEARCH INSTITUTE REZ A.S.

Czechia

Address

250 68 Rez - Praha

PAUL SCHERRER INSTITUT

Switzerland

Address

5232 Villigen