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Plutonium and surrogate fission products in a composite ceramic waste form.

By D. W. Esh, S. M. Frank, K. M. Goff, S. G. Johnson, T. L. Moschetti and T. O'Holleran


Argonne National Laboratory is developing a ceramic waste form to immobilize salt containing fission products and transuranic elements. Preliminary results have been presented for ceramic waste forms containing surrogate fission products such as cesium and the lanthanides. In this work results from scanning electron microscopy/energy dispersive spectroscopy and x-ray diffraction are presented in greater detail for ceramic waste forms containing surrogate fission products. Additionally, results for waste forms containing plutonium and surrogate fission products are presented. Most of the surrogate fission products appear to be silicates or aluminosilicates whereas the plutonium is usually found in an oxide form. There is also evidence for the presence of plutonium within the sodalite phase although the chemical speciation of the plutonium is not known

Topics: Radioactive Waste Disposal, Alpha-Bearing Wastes, Waste Forms, Rare Earths, Phase Studies, 12 Management Of Radioactive Wastes, And Non-Radioactive Wastes From Nuclear Facilities, Cesium, Plutonium, Ceramics
Publisher: Argonne National Laboratory
Year: 1999
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Provided by: UNT Digital Library
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