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Static Leaching of Fully Radioactive Waste Glass at 90°C in the Presence of Bentonite, Granite, and Stainless Steel Corrosion Products

Published online by Cambridge University Press:  28 February 2011

Hans-Peter Hermansson ,
Inga-Kari Björner ,
Hilbert Christensen ,
Toshiaki Ohe  and
Lars Werme
Hans-Peter Hermansson
Affiliation:
Studsvik Energiteknik AB, S-611 82 Nyköping, Sweden
Inga-Kari Björner
Affiliation:
Studsvik Energiteknik AB, S-611 82 Nyköping, Sweden
Hilbert Christensen
Affiliation:
Studsvik Energiteknik AB, S-611 82 Nyköping, Sweden
Toshiaki Ohe
Affiliation:
Central Research Institute of Electric Power Industry, 2-11-1, Iwato-kita, Komae-shi, Tokyo 201, Japan
Lars Werme
Affiliation:
Swedish Nuclear Fuel and Waste Management Co, P O Box 5864 S-102 48 Stockholm, Sweden
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Abstract

The results from the JSS phase II static glass leaching experiments are presented. The experiments have been performed in the presence of bentonite, granite and stainless steel corrosion products at 90°C for 28 days. The leaching behaviour of Cs has been analysed using gamma-spectrometry. The surface of the leached glass samples has been analysed by infrared reflection spectrometry.

The presence of uncompacted bentonite seems to have a very small, increasing, effect on the leach rate of the glass compared to when no bentonite is present. In the presence of compacted bentonite, a lower leach rate has beep founy than in the prgsencelof uncompacted bentonite. (For Cs 0.3 g × m−2 × d−1 and 0.7 g × m−2 × d−1 respectively.) The addition of stainless steel corrosion products seems to have a slightly increasing effect on the leach rate in the presence of compacted bentonite. The beneficial effect of granite on the leach rate seems to be overshadowed by the presence of uncompacted bentonite.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 50: Symposium STOCKHOLM – Scientific Basis for Nuclear Waste Management IX , 1985 , 179
Copyright
Copyright © Materials Research Society 1985

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References

1. Hermansson, H-P, Christensen, H., Björner, I-K., Clark, D.E., Yokoyama, H. and Werme, L. in Scientific Basis for Nuclear Waste Management VII, edited by McVay, G.L. (Elsevier Science Publishers, New York, 1984), pp. 671–679.Google Scholar
2. Hermansson, H-P. et al, JSS-Project Phase I Report. Studsvik Report NW-84/653.Google Scholar
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