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Corrosion Behaviour of British Magnox Waste Glass in Pure Water

Published online by Cambridge University Press:  26 February 2011

H. U. Zwicky ,
B. Grambow ,
C. Magrabi ,
E. T. Aerne ,
R. Bradley ,
B. Barnes ,
Th. Graber ,
M. Mohos  and
L. C. Werme
H. U. Zwicky
Affiliation:
Paul Scherrer Institute, PSI, (formerly Swiss Federal Institute for Reactor Research, EIR), CH-5303 Wurenlingen, Switzerland
B. Grambow
Affiliation:
Hahn-Meitner-Institute, HMI, D-1000 Berlin, Federal Republic of, Germany
C. Magrabi
Affiliation:
British Nuclear Fuels pic, BNFL, Sellafield, Seascale, Great Britain
E. T. Aerne
Affiliation:
Paul Scherrer Institute, PSI, (formerly Swiss Federal Institute for Reactor Research, EIR), CH-5303 Wurenlingen, Switzerland
R. Bradley
Affiliation:
British Nuclear Fuels pic, BNFL, Sellafield, Seascale, Great Britain
B. Barnes
Affiliation:
British Nuclear Fuels pic, BNFL, Sellafield, Seascale, Great Britain
Th. Graber
Affiliation:
Paul Scherrer Institute, PSI, (formerly Swiss Federal Institute for Reactor Research, EIR), CH-5303 Wurenlingen, Switzerland
M. Mohos
Affiliation:
Paul Scherrer Institute, PSI, (formerly Swiss Federal Institute for Reactor Research, EIR), CH-5303 Wurenlingen, Switzerland
L. C. Werme
Affiliation:
Swedish Nuclear Fuel and Waste Management Co, S-10248 Stockholm, Sweden
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Abstract

The corrosion behaviour of Magnox Waste (MW) glass in deionized water has been investigated under the aegis of the Japanese-Swedish-Swiss (JSS) project. The studies carried out at PSI and BNFL included static leaching and corrosion layer characterization. The results were used by HMI to derive the modelling parameters for the MW glass with the PHREEQE/GLASSOL codes. The silica concentration was found to strongly influence the corrosion rate of the glass. The MW glass selectively retains Cs due to the formation of a Cs-Mg-Al-Si-O-rich layer on its surface.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 127: Symposium BERLIN – Scientific Basis for Nuclear Waste Management XII , 1988 , 129
Copyright
Copyright © Materials Research Society 1989

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References

REFERENCES

1. JSS-Project Phases I-V. JSS Technical Reports 84–03, 85–01, 86–01, 87–01, 88–02, SKB Stockholm (a, 1984), (b, 1985), (c, 1986), (d, 1987), (e, 1988).Google Scholar
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