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Importance of the Alkaline Degradation of Cellulose in Performance Assessment of a Cementitious Radioactive Waste Repository

Published online by Cambridge University Press:  10 February 2011

M.A. Glaus ,
A. Laube ,
S. Stallone  and
L.R. Van Loon
M.A. Glaus
Affiliation:
Laboratory for Waste Management, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland. [email protected]
A. Laube
Affiliation:
Laboratory for Waste Management, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland
S. Stallone
Affiliation:
Laboratory for Waste Management, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland
L.R. Van Loon
Affiliation:
Laboratory for Waste Management, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland
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Extract

It is the aim of the present poster to show two approaches for assessing the influence of the alkaline degradation of cellulose on the sorption of tri- and tetravalent radionuclides. The two approaches differ in their degree of conservativity, one is a conservative, the other a realistic model case. The result of both examinations is expressed in terms of sorption reduction factors, valid for a situation where cellulose degradation products are influencing the sorption of radionuclides on cement.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 506: Symposium – Scientific Basis for Nuclear Waste Management XXI , 1997 , 977
Copyright
Copyright © Materials Research Society 1998

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References

REFERENCES

[1] Loon, L.R. Van, Glaus, M.A., Stallone, S. and Laube, A., Internal Technical Report TM-44-96-01, Paul Scherrer Institute, Villigen, Switzerland (1996) and Nagra Technical Report NTB 97-04 (in preparation).Google Scholar
[2] Loon, L.R. Van, Glaus, M.A., Stallone, S. and Laube, A., Environ. Sci. Technol. 31, p. 1243 (1997).Google Scholar