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Immobilization of Cs-137, Co-60, Mn-54 And Sr-85 in Cement-Waste Composition

  • I. Plećaš (a1), J. Drljača (a1), A. Perić (a1) and A. Kostadinović (a1)

Abstract

To assess the safety for disposal of radioactive waste cement composite, the leaching of Cs-137, Co-60, Mn-54 and Sr-85 from a waste composite into a surounding fluid has been studied [1, 2]. Leaching tests were carried out in accordance with a method recommended by IAEA |2, 3|. Determination of retardation factors, KF, and coefficients of distribution, kd, using a simplified mathematical model for analysing the migration of radionuclides, has been developed. |4, 7, 8|

Results presented in this paper are examples of results obtained in a 10 year mortar and concrete testing project, which will influence the design of the engineered trenche system for future central Yugoslavian radioactive waste storage center. |7, 8|.

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References

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1. Hashimoto, I., IEC Fundamentals 3, 213 (1964)
2. Hespe, E.D., At. Energy Rev. 9, 195 (1971)
3. International Standard Ref. No. ISO 6961 (1982)
4. Lu, A.H., Health Physics 34, 39 (1978)
5. Matsuzuru, A., Health Physics, 32, 529 (1977)
6. Peltonen, E., Katka, M., Proc. Int. Conf. of Atomic En. 10, 419 (1983)
7. Plećaš, I., Proc. Waste Management, Tucson, Arizona, 2, 1861 (1983)
8. Plećaš, I., RWMADW, 6(2), 161 (1985).

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