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Product Models for the Vitrification of West Valley High-Level Wastes

Published online by Cambridge University Press:  26 February 2011

I. L. Pegg ,
E. E. Saad ,
X. Feng ,
R. B. Adiga ,
W. P. Freeborn  and
P. B. Macedo
I. L. Pegg
Affiliation:
The Vitreous State Laboratory, The Catholic University of America, Washington, D. C. 20064
E. E. Saad
Affiliation:
The Vitreous State Laboratory, The Catholic University of America, Washington, D. C. 20064
X. Feng
Affiliation:
The Vitreous State Laboratory, The Catholic University of America, Washington, D. C. 20064
R. B. Adiga
Affiliation:
The Vitreous State Laboratory, The Catholic University of America, Washington, D. C. 20064
W. P. Freeborn
Affiliation:
The Vitreous State Laboratory, The Catholic University of America, Washington, D. C. 20064
P. B. Macedo
Affiliation:
The Vitreous State Laboratory, The Catholic University of America, Washington, D. C. 20064
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Abstract

Property models have been developed for the major properties that need to be controlled in the production of borosilicate glasses for West Valley high-level nuclear waste immobilization. The chemical durability is the most important parameter for product performance, while melt viscosity is the most critical parameter in assuring the processability of the glass. Simple models for these properties are described that are based on data from numerous glasses which were prepared with compositions in the region around the West Valley reference glass. A scheme for optimization of the target glass and for predicting the acceptability of glasses resulting from natural process variations is illustrated. This involves integration of the product models with a process model that was described previously. This approach has guided the present placement of the West Valley reference glass.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 127: Symposium BERLIN – Scientific Basis for Nuclear Waste Management XII , 1988 , 215
Copyright
Copyright © Materials Research Society 1989

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References

REFERENCES

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