Abstract
Argonne National Laboratory is developing a method to treat spent nuclear fuel in a molten-salt electrorefiner. Glass-bonded zeolite and sodalite are both being developed as ceramic waste forms. The ceramic waste form will contain the fission product (e.g., rare earth, alkali and alkaline-earth metals, halogens, and chalcogens) and transuranic radionuclides that accumulate in the electrorefiner salt. Zeolite A can fully incorporate both the salt and the radionuclides into its crystal structure. Salt-loaded zeolite A is mixed with glass frit; the blend undergoes hot isostatic pressing to produce a monolithic leach-resistant waste form. Alternatively, the salt-loaded zeolite may be converted to sodalite simply by heat treating first, then adding the glass and hot pressing.
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Additional information
C. Pereira earned his Ph.D. in chemical engineering at the University of Pennsylvania in 1992. He is currently an assistant chemical engineer at Argonne National Laboratory. Dr. Pereira is a member of TMS.
M. Hash earned his M.S. in metallurgical and materials engineering at Illinois Institute of Technology in 1993. He is currently an engineering specialist at Argonne National Laboratory.
M. Lewis earned her Ph.D. in chemistry at the University of Pittsburgh. She is currently a chemist at Argonne National Laboratory.
M. Richmann earned his Ph.D. in chemistry at Chio State University in 1991. He is currently an assistant chemist at Argonne National Laboratory.
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Pereira, C., Hash, M., Lewis, M. et al. Ceramic-composite waste forms from the electrometallurgical treatment of spent nuclear fuel. JOM 49, 34–40 (1997). https://doi.org/10.1007/BF02914764
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DOI: https://doi.org/10.1007/BF02914764