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Alteration-Phase formation and Associated Cesium Release During Alteration of R7T7 Waste Glass

Published online by Cambridge University Press:  21 March 2011

Y. Inagaki ,
K. Idemitsu ,
T. Arima ,
T. Maeda ,
H. Ogawa  and
F. Itonaga
Y. Inagaki
Affiliation:
Kyushu University, Dept. of Nuclear Engineering, Fukuoka 812-8581, Japan
K. Idemitsu
Affiliation:
Kyushu University, Dept. of Nuclear Engineering, Fukuoka 812-8581, Japan
T. Arima
Affiliation:
Kyushu University, Dept. of Nuclear Engineering, Fukuoka 812-8581, Japan
T. Maeda
Affiliation:
Japan Atomic Energy Research Institute, Tokai Research Establishment, Ibaraki 319-1195, Japan
H. Ogawa
Affiliation:
Japan Atomic Energy Research Institute, Tokai Research Establishment, Ibaraki 319-1195, Japan
F. Itonaga
Affiliation:
Japan Atomic Energy Research Institute, Tokai Research Establishment, Ibaraki 319-1195, Japan
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Abstract

Static corrosion tests were performed with an inactive HLW glass of R7T7 type in order to evaluate alteration-phase formation and associated Cs release during the glass corrosion. The tests were performed in NaOH solutions at elevated temperatures in order to accelerate the corrosion. Crystalline phases formed in the corroded glass were analyzed by use of XRD, in addition to the solution analysis. The results indicated that; 1)Analcime or Na-beidellite or both of them form during the corrosion depending on the conditions, 2)Si rich amorphous phases are contained in the alteration-phases, 3)In addition to solution pH, solution concentrations of Na and K sensitively affect formation of analcime and Na-beidellite, 4)Analcime formation accelerates the glass corrosion, 5)Most of Cs in the glass is retained in the alteration-phases by sorption onto Na-beidellite or incorporation into amorphous phases and pollucite

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 713: Symposium JJ – Scientific Basis for Nuclear Waste Management XXV , 2002 , JJ11.55
Copyright
Copyright © Materials Research Society 2002

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References

REFERENCES

[1] Iseghem, P.Van, Grambow, B., in Scientific Basis for Nuclear Waste Management XI, edited by Apted, M.J. and Westerman, R.E. (Mat.Res.Soc.Symp.Proc. Vol.112), p. 631 (1988).Google Scholar
[2] Strachan, D.M., Croak, T.L., J. Non-Crystalline Solids 272, 22 (2000).Google Scholar
[3] Grambow, B., Mater.Res.Soc.Symp.Proc., 44(1985)15.Google Scholar
[4] Grambow, B., Nuclear Waste Glass Dissolution: Mechanism, Model and Application, Technical Report - JSS Project Phase IV 87-02, ed. SKB, Stockholm, Sweden (1987).Google Scholar
[5] Murakami, T., Banba, T., Jercinovic, M.J. and Ewing, R.C., in Scientific Basis for Nuclear Waste Management XII, edited by Lutze, W. and Ewing, R.C. (Mat.Res.Soc.Symp.Proc. Vol.127), p. 65 (1988).Google Scholar
[6] Gong, W.L., Wang, L.M., Ewing, R.C.et al., J. Nucl. Maters. 254, 249 (1998).Google Scholar
[7] Ebert, W.L., Bates, J.K., Boucier, W.L., Waste Management 11, 205 (1991).Google Scholar
[8] Maeda, T., Banba, T., Sonoda, K.et al., J. Nucl. Maters. 298, 163 (2001).Google Scholar
[9] Mitsui, S. and Aoki, R., J. of Nuclear Materials 298, 184 (2001).Google Scholar
[10] Gin, S., Mestre, J.P., J. Nucl. Maters. 295, 83 (2001).Google Scholar
[11] Inagaki, Y., Fuyura, H., Idemitsu, K.et al., in Scientific Basis for Nuclear Waste Management XV, edited by Sombret, C.G. (Mat.Res.Soc.Symp.Proc. Vol.257), p.199 (1992).Google Scholar
[12] Kawano, M., Tomita, K., Kamino, Y., Clays and Clay Minerals Vol.41, No.4, p.431(1993).Google Scholar
[13] Kloprogge, J.T. Eerden, A.M.J. Van der Jansen, J.H.H., Geus, J.W.et al., Clays and Clay Minerals Vol.41, No.4, p.423(1993).Google Scholar
[14] Mattigod, S.V., McGrail, B.P., Micropor. Mesopor.Mater., 27, 41(1999).Google Scholar
[15] Drever, J.I., The Geochemistry of Natural Waters; Surface and Groundwater Environments, 3rd ed. (Prentice Hall Inc., Englewood Cliff, NJ, 1992).Google Scholar
[16] Wickert, C.L., Vieira, A.E., Dehne, J.A.et al., Phys. Chem. Glasses 40(3), 157(1999).Google Scholar