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One-Year Leaching of Three SRL Glasses in Granite

Published online by Cambridge University Press:  26 February 2011

Bing-Fu Zhu ,
D. E. Clark ,
L. L. Hench ,
G. G. Wicks  and
Lars Werme
Bing-Fu Zhu
Affiliation:
Department of Materials Science and Engineering, University of Florida, Gainesville, FL 32611
D. E. Clark
Affiliation:
Department of Materials Science and Engineering, University of Florida, Gainesville, FL 32611
L. L. Hench
Affiliation:
Department of Materials Science and Engineering, University of Florida, Gainesville, FL 32611
G. G. Wicks
Affiliation:
E.I. du Pont de Nemours & Co., Savannah River Laboratory, Aiken, SC 29808
Lars Werme
Affiliation:
Swedish Nuclear Fuel Supply Co. (SKBF/KBS), P.O. Box 5864, S-102, Stockholm, Sweden
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Abstract

Three Savannah River Laboratory (SRL) simulated nuclear waste glasses were buried in granite boreholes 345 meters deep. Included in the same boreholes were other potential waste package components including stainless steel and bentonite. Samples were maintained at either ambient mine temperature (8–10°C) or 90°C. Differences in glass leaching performances were observed among the three compositions, with SRL 165 being more durable than SRL 131, both with 29.8% TDS waste. Likewise, the presence of some package components affected the leaching performances. Bentonite resulted in accelerated attack on the glass while the presence of stainless steel did not appear to have much effect. Results obtained through one year of burial are presented in this paper.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 44: Symposium N – Scientific Basis for Nuclear Waste Management VIII , 1984 , 187
Copyright
Copyright © Materials Research Society 1985

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References

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