Vitrified chemically bonded phosphate ceramics for immobilization of radioisotopes
Patent
·
OSTI ID:1248483
A method of immobilizing a radioisotope and vitrified chemically bonded phosphate ceramic (CBPC) articles formed by the method are described. The method comprises combining a radioisotope-containing material, MgO, a source of phosphate, and optionally, a reducing agent, in water at a temperature of less than 100.degree. C. to form a slurry; curing the slurry to form a solid intermediate CBPC article comprising the radioisotope therefrom; comminuting the intermediate CBPC article, mixing the comminuted material with glass frits, and heating the mixture at a temperature in the range of about 900 to about 1500.degree. C. to form a vitrified CBPC article comprising the radioisotope immobilized therein.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-06CH11357
- Assignee:
- UCHICAGO ARGONNE, LLC (Chicago, IL)
- Patent Number(s):
- 9,305,672
- Application Number:
- 14/291,980
- OSTI ID:
- 1248483
- Resource Relation:
- Patent File Date: 2014 May 30
- Country of Publication:
- United States
- Language:
- English
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