Method of preparing sodalite from chloride salt occluded zeolite A
Patent Application
·
OSTI ID:555322
A method is described for immobilizing waste chloride salts containing radionuclides and hazardous nuclear material for permanent disposal starting with a substantially dry zeolite and sufficient glass to form leach resistance sodalite with occluded radionuclides and hazardous nuclear material. The zeolite and glass are heated to a temperature up to about 1,000 K to convert the zeolite to sodalite and thereafter maintained at a pressure and temperature sufficient to form a sodalite product near theoretical density. Pressure is used on the formed sodalite to produce the required density.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- US Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- PATENTS-US-A8375141
- Application Number:
- ON: DE97009522; PAN: 8-375,141; TRN: AHC29802%%17
- OSTI ID:
- 555322
- Resource Relation:
- Other Information: PBD: 1995
- Country of Publication:
- United States
- Language:
- English
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