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Effect of Overpack Materials on Glass Leaching in Geological Burial

Published online by Cambridge University Press:  15 February 2011

Lars Werme ,
L. L. Hench  and
Alexander Lodding
Lars Werme
Affiliation:
SKBF/Div. KBS, Stockholm, (Sweden)
L. L. Hench
Affiliation:
University of Florida, Gainesville, Florida (USA);
Alexander Lodding
Affiliation:
Chalmers University of Technology, Gothenburg (Sweden)
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Extract

This is one of two papers discussing the findings in an in situ-burial experiment, presently being performed in the Stripa mine in Sweden. The purpose of the experiment is to evaluate the effects of various components in the SKBF/KBS waste storage system on the leaching of the vitreous waste form. Two configurations of glass, canister, overpack and buffer/backfill materials were designed (Figs. 1 and 2). Both configurations were inserted into 56 mm diameter boreholes in the Stripa mine and maintained at 90°C. One of the configurations (Fig. 2) was also kept at ambient temperature, 8°C. In the experiments two glass types were used, ABS 39 and ABS 41 (Table 1). These glasses, developed by Dr. T. Lakatos of the Swedish Glass Research Institute, contain 9% simulated fission products by weight and are compatible with the French AVM process.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 11: Symposium – Scientific Basis for Nuclear Waste Management V , 1981 , 135
Copyright
Copyright © Materials Research Society 1982

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References

REFERENCES

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