Containing nuclear waste via chemical polymerization

Details Containing nuclear waste via chemical polymerization Containing nuclear waste via chemical polymerization

G - Physics

21

F

31/89

G21F 9/16 (2006.01) G21F 9/30 (2006.01)

Patent

CA 1156825

48,945 12 ABSTRACT OF THE DISCLOSURE: Disclosed is a method of immobilizing nuclear waste in glass. A composition is prepared of 60 to 100% of a hydrolyzed glass-forming silicon compound and up to about 40% of a glass-forming aluminum compound. About 1 to about 50% liquid nuclear waste and up to about 10% solid nuclear waste is mixed into the composition. The composition is heated at about 200 to about 500°C to drive off water and organics, with the resulting vitreous pro- duct totally containing the nuclear waste. Finally, this product can be sintered at about 800 to about 900°C to reduce porosity, or warm pressed into block form.

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