Method of preparing sodalite from chloride salt occluded zeolite
Patent
·
OSTI ID:458577
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 resistant sodalite with occluded radionuclides and hazardous nuclear material. The zeolite and glass are heated to a temperature up to about 1000 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:
- Univ. of Chicago, IL (United States)
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- US 5,613,240/A/
- Application Number:
- PAN: 8-375,141; TRN: 97:006790
- OSTI ID:
- 458577
- Resource Relation:
- Other Information: PBD: 18 Mar 1997
- Country of Publication:
- United States
- Language:
- English
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