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Characterization of a Ceramic Waste Form Encapsulating Radioactive Electrorefiner Salt

  • T.L. Moschetti (a1), W. Sinkler (a1), T. DiSanto (a1), M.H. Noy (a1), A.R. Warren (a1), D. Cummings (a1), S.G. Johnson (a1), K.M. Goff (a1), K.J. Bateman (a1) and S.M. Frank (a1)...

Abstract

Argonne National Laboratory has developed a ceramic waste form to immobilize radioactive waste salt produced during the electrometallurgical treatment of spent fuel. The first ceramic waste forms that immobilize the radioactive waste salt have been produced. This study presents the first results from electron microscopy and durability testing of a ceramic waste form produced from that radioactive electrorefiner salt. The waste form consists of two primary phases: sodalite and glass. The sodalite phase appears to incorporate most of the alkali and alkaline earth fission products. Other fission products (rare earths and yttrium) tend to form a separate phase and are frequently associated with the actinides, which form mixed oxides. Seven-day leach test results are also presented.

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1 Ackerman, J.P., Johnson, T.R., Chow, L.S.H., Carls, E.L., Hannum, W.H. and Laidler, J.J., Prog. Nucl. Energy 31:141154 (1997).
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7 Moschetti, T.L., O'Holleran, T.P., Frank, S.M., Johnson, S.G., Esh, D.W., and Goff, K.M., in Environmental and Waste Management Technologies in the Ceramic and Nuclear Industries V, edited by Chandler, G.T. and Feng, X. (Ceramic Transactions 107, tentative publication date: April 2000); W.S. Sinkler, T.P. O'Holleran, S.M. Frank, T.L. Moschetti, S.G. Johnson, D.W. Esh, K.M. Goff, ibid.
8 Sinkler, W., O'Holleran, T.P., Frank, S.M., Richmann, M.K. and Johnson, S.G., presented at the 1999 MRS Fall meeting, to be published in Scientific Basis for Nuclear Waste Management XXIII, edited by Smith, R.W. and Shoesmith, D.W., 1999.
9 Bibler, N.E. and Bates, J.K. in Scientific Basis for Nuclear Waste Management XIII, edited by Oversby, V. and Brown, P. (Mat. Res. Soc. Symp. Proc. 176, Pittsburgh, PA 1990), pp. 327338.

Characterization of a Ceramic Waste Form Encapsulating Radioactive Electrorefiner Salt

  • T.L. Moschetti (a1), W. Sinkler (a1), T. DiSanto (a1), M.H. Noy (a1), A.R. Warren (a1), D. Cummings (a1), S.G. Johnson (a1), K.M. Goff (a1), K.J. Bateman (a1) and S.M. Frank (a1)...

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