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Iron-Enriched Basalt and its Application to Three-Mile Island Radioactive Waste Disposal

Published online by Cambridge University Press:  15 February 2011

P. V. Kelsey Jr ,
R. P. Schuman ,
J. M. Welch ,
D. E. Owen  and
J. E. Flinn
P. V. Kelsey Jr
Affiliation:
EG&G Idaho, Inc., P.O. Box 1625, Idaho Falls, ID 83415
R. P. Schuman
Affiliation:
EG&G Idaho, Inc., P.O. Box 1625, Idaho Falls, ID 83415
J. M. Welch
Affiliation:
EG&G Idaho, Inc., P.O. Box 1625, Idaho Falls, ID 83415
D. E. Owen
Affiliation:
EG&G Idaho, Inc., P.O. Box 1625, Idaho Falls, ID 83415
J. E. Flinn
Affiliation:
EG&G Idaho, Inc., P.O. Box 1625, Idaho Falls, ID 83415
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Abstract

Demonstration tests were performed on iron-enriched basalt (IEB), a dissolution and immobilization medium for TMI radioactive wastes. Zeolite of the type used for cesium and strontium decontamination of TMI containment water was mixed with 20 wt% additives and melted at 1500°C to form IEB. Cesium volatility from the IEB melts was low. Leaching tests in 90°C deionized water showed leach rates of 6 μg/cm2 d for both cesium and strontium. IEB melts were used to dissolve Type 304 SS pellets and UO2 pellets clad with zircaloy in order to simulate immobilization of TMI core debris. Bubbling air through the melts greatly enhanced the dissolution of these components.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 6: Symposium D – Scientific Basis for Nuclear Waste Management IV , 1981 , 533
Copyright
Copyright © Materials Research Society 1982

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References

REFERENCES

1. Flinn, J. E. et al. , “Characterization of Iron-Enriched Synthetic Basalt for Transuranic Containment,” Scientific Basis for Nuclear Waste Management, 3, Moore, J. G. ed., (Proceedings of the Third International Symposium, Annual Meeting of the Materials Research Society, Boston, MA.), (1981), p. 201.Google Scholar
2. Flinn, J. E. et al. , Annual Report on TRU Waste Form Studies with Special Reference to Iron-Enriched Basalt: 1980, EGG-FM–5366 (EG&G Idaho, Inc., Idaho Falls, ID, 1981).Google Scholar
3. Welch, J. M. et al. , “Iron-Enriched Basalt for Containment of Nuclear Wastes,” this symposium.Google Scholar
4. Kelley, J. A., Evaluation of Glass as a Matrix for Solidification of Savannah River Plant Waste, DP–1382 (E. I. du Pont de Nemours and Co., Savannah River Laboratory, Aiken S. C., 1975) p. 21.Google Scholar