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The IAEA Coordinated Research Programme on the Performance of High-Level Waste Forms and Packages Under Repository Conditions

Published online by Cambridge University Press:  01 January 1992

Vladimir S. Tsyplenkov
Vladimir S. Tsyplenkov*
Affiliation:
International Atomic Energy Agency, Wagramerstrasse 5, P. O. Box 100, A-1400 Vienna, Austria
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Abstract

The IAEA initiated, in 1991, a Coordinated Research Programme (CRP), with the aim of promoting the exchange of information on the results obtained by different countries in the performance of high-level waste forms and waste packages under conditions relevant to final repository. These studies are being undertaken to obtain reliable data as input to safety assessments and environmental impact analyses, for final disposal purposes. The CRP includes studies on waste forms that are presently of interest worldwide: borosilicate glass, Synroc and spent fuel.

Ten laboratories leading in investigation of high-level waste form performance have already joined the programme. The results of their studies and plans for future research were presented at the first Research Coordination Meeting, held in Karlsruhe, Germany, in November 1991. The technical contributions concentrated on effecting an understanding of dissolution mechanisms of waste forms under simulated repository conditions. A quantitative interpretation of the chemical processes in the near field is considered a prerequisite for long-term predictions and for the formulation of a "source term" for performance assessment studies.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 294: Symposium V – Scientific Basis for Nuclear Waste Management XVI , 1992 , 719
Copyright
Copyright © Materials Research Society 1993

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References

REFERENCES

1. Long-term corrosion experiments (> 1 year) should be performed within each national programme to provide data on transitory and long-term waste form performance.+1+year)+should+be+performed+within+each+national+programme+to+provide+data+on+transitory+and+long-term+waste+form+performance.>Google Scholar
2. Container corrosion experiments should be expanded by including a simulated high-level waste form.Google Scholar
3. The work on spent fuel performance should be included in the scope of the German studies.Google Scholar
4. The directions of the Russian research should be modified and focused on high-level waste form characterization and waste form container interactions.Google Scholar
5. The relevance of the emanation method for studying the waste form corrosion phenomena should be demonstrated. It was agreed that the samples of glass from Germany and Synroc from Australia will also be studied with this technique.Google Scholar