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Parametric Investigation of Rock Salt Behaviour Resulting from Disposal of High Level Radioactive Waste

Published online by Cambridge University Press:  28 February 2011

D. Caramelle ,
M.T. Gaudez ,
J. Monig ,
G. Ouzounian  and
G. Simonet
D. Caramelle
Affiliation:
CEA SACLAYFRANCE,
M.T. Gaudez
Affiliation:
CEA SACLAYFRANCE,
J. Monig
Affiliation:
GSF BRAUNSCHWEIGGERMANY,
G. Ouzounian
Affiliation:
ANDRA/DESI FONTENAY AUX ROSESFRANCEand
G. Simonet
Affiliation:
CEA FAR IPSN/DSMN FONTENAY AUX ROSESFRANCE
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Abstract

The liberation and generation of gases from rock salt due to heat and gamma irradiation is investigated in order to obtain some of the data needed for the development of the concept for the disposal of high level waste in rock salt.

Our work is concerned with the influence of various parameters on gas production, e.g. salt composition and grain size, total absorbed dose, dose rate, temperature and gas atmosphere. Some of these parameters have not been studied previously in detail.

The original gamma irradiator employing spent fuel elements and capable of exposing samples at temperatures up to 250°C will be described. Experimental results from some 150 experiments will be given. The two major gases found were CO2 and N2O.CO, H2, CH4, Hydrocarbons, CI2, HCl and SO2 were also detected. The dependence of the gas yields on the various parameters will be presented and discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 212: Symposium P – Scientific Basis for Nuclear Waste Management XIV , 1990 , 909
Copyright
Copyright © Materials Research Society 1991

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References

REFERENCES

[1] Mönig, J. and al The HAW project test disposal of high level waste in the ASSE salt mine International test plan for irradiation experiments Commission of the European Communities EUR 12946 (1990)Google Scholar
[2] Simonet, G. The Gamma Irradiator CEA Conf N° 85–92 July 1986 Google Scholar
[3] Palut, J.M. and al The effect of gamma irradiation on gemme salt CEC report (to be published)Google Scholar