Ceramic composite waste forms from electrometallurgical treatment of spent nuclear fuel.
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.
- Research Organization:
- Argonne National Laboratory (ANL)
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 938035
- Report Number(s):
- ANL/CMT/JA-26003
- Journal Information:
- JOM, Journal Name: JOM Journal Issue: 7 ; 1997 Vol. 49; ISSN 1047-4838; ISSN JOMMER
- Country of Publication:
- United States
- Language:
- ENGLISH
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