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Recycle Processes for Metal Fuels by Dissolution into Organic Solution

Published online by Cambridge University Press:  15 February 2011

Y. Sano ,
H. Hayami ,
C. Miyake  and
M. Horie
Y. Sano
Affiliation:
Department of nuclear Engineering, Faculty of Engineering, Osaka University Yamadaoka 2-1, Suita, Osaka 565Japan
H. Hayami
Affiliation:
Department of nuclear Engineering, Faculty of Engineering, Osaka University Yamadaoka 2-1, Suita, Osaka 565Japan
C. Miyake
Affiliation:
Department of nuclear Engineering, Faculty of Engineering, Osaka University Yamadaoka 2-1, Suita, Osaka 565Japan
M. Horie
Affiliation:
PNC, Tokai-Mura, Ibaraki 319–11Japan
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Abstract

The dissolution behavior of actinide and fission product metals into THF with 10 vol% Br2 was examined in this study. The solubilities of niobium, ruthenium, rhodium, zirconium and molybdenum in both aerated and nitrogenated THF solutions with 10 vol% Br2 are negligible. On the other hand, the solubilities of lanthanum, neodymium, samarium and strontium in aerated and nitrogenated THF solutions with 10 vol% Br2 are large. Among metals examined in this study, uranium had the largest solubility in nitrogenated THF with 10 vol% Br2 and under this condition uranium will be separated from other metals. In the nitrogenated organic solution U(IV), U(V) and UO22+ (VI) coexist, while only UO22+ (VI) exists in the aerated organic solution.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 353: Symposium – Scientific Basis for Nuclear Waste Management XVIII , 1994 , 1355
Copyright
Copyright © Materials Research Society 1995

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References

REFERENCES

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