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Leaching Scale Effect for Cement-Waste Forms

Published online by Cambridge University Press:  26 February 2011

J. C. Nomine ,
A. Billon  and
G. Courtois
J. C. Nomine
Affiliation:
Commissariat à l'Energie Atomique, Centre d'Etudes Nucléaires de SACLAY.
A. Billon
Affiliation:
Commissariat à l'Energie Atomique, Centre d'Etudes Nucléaires de SACLAY.
G. Courtois
Affiliation:
Commissariat à l'Energie Atomique, Centre d'Etudes Nucléaires de SACLAY.
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Extract

The confinement ability of a waste package is one of the major safety characteristics to consider in shallow land burial. In order to determine if the confinement is acceptable, in accordance with local policy, one way is to proceed to leaching tests. The practical method, for sake of simplicity, cost and time limit, is to carry out the leaching tests on laboratory samples which are easier to prepare than full-scale blocks, but the representativity of which needs to be treated with caution; it is in this context, that one of the aspect of our work concerns what is known as the “scale effect”.

This study has been conducted using blocks the volumes of which are respectively of 200, 20, 2 and 0, 2 1, and made with the same cement-waste form (13 Cs) system.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 127: Symposium BERLIN – Scientific Basis for Nuclear Waste Management XII , 1988 , 431
Copyright
Copyright © Materials Research Society 1989

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References

REFERENCES

[1] CCE. Characterization of radioactive waste forms. Progress Reports 1960. Vol l et 2. Preprint EUtt 11354EN.Google Scholar
[2] Nomine, J.C., Billon, A.. Experience acquired in the field of Long Term Leaching Tests on Blocks of Radioactive Waste. 4th Int. Haz. Waste Symposium 3–6 May 87. Atlanta (USA).CrossRefGoogle Scholar
[3] Billon, A., Nomine, J.C.: Effet d'êcheLle en lixiviation - Colloque international sur la gestion des déchets radioactifs de faible et moyenne activité - 16–20 May 1988. Stockholm (Suéde).Google Scholar