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Chemical Durability of Glass Containing Srp Waste - Leachability Characteristics, Protective Layer Formation, and Repository System Interactions

Published online by Cambridge University Press:  15 February 2011

George G. Wicks ,
Barbara M. Robnett  and
W. Duncan Rankin
George G. Wicks
Affiliation:
E. I. du Pont de Nemours & Co.Savannah River Laboratory Aiken, South Carolina 29808
Barbara M. Robnett
Affiliation:
E. I. du Pont de Nemours & Co.Savannah River Laboratory Aiken, South Carolina 29808
W. Duncan Rankin
Affiliation:
E. I. du Pont de Nemours & Co.Savannah River Laboratory Aiken, South Carolina 29808
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Extract

Leachability is one of the most important properties of solidified nuclear waste forms because it provides information on the performance and the subsequent safety and reliability that the waste products will possess. One of the most important experimental findings in the leachability field has been the discovery and subsequent detailed characterization of protective surface layers that form on waste glass during leaching. These layers can have a beneficial effect on product performance while in storage by improving productdurability with time. As a result of surface layer formation and the effects on subsequent product leaching characteristics, new qualitative and quantitative leaching models have recently been proposed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 11: Symposium – Scientific Basis for Nuclear Waste Management V , 1981 , 15
Copyright
Copyright © Materials Research Society 1982

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References

REFERENCES

1. Wicks, G. G., Mosley, W. C., Whitkop, P. G. and Saturday, K. A., “Durability of Simulated Waste Glass - Effects of Pressure and Formation of Surface Layers,” Journal of Non-Crystalline Solids (in press).10.1016/0022-3093(82)90136-3CrossRefGoogle Scholar
2. Wicks, G. G. and Wallace, R. M., “Leachability of Waste Glass Systems - Physical and Mathematical Models,” Journal of Nuclear Materials (in press).Google Scholar
3. Rankin, W. D. and Wicks, G. G., “The Chemical Durability of Savannah River Plant Waste Glass as a Function of Waste Loading,” DP-MS-81-105, presented at the 84th Annual Meeting and Exposition of the American Ceramic Society, Cincinnati, Ohio, May 1982.Google Scholar
4. Altenhein, F. K., Lutze, W. and Malow, G., “The Mechanisms for Hydrothermal Leaching of Glass and Glass-Ceramic Nuclear Waste Forms,” Scientific Basis for Nuclear Waste Management, Vol. 3, Plenum Press, New York, New York, 1981.Google Scholar