Containing nuclear waste via chemical polymerization

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

1980-06-25

1983-03-22

Kyle, Deborah L.

Compositions

Radioactive compositions

501 12, G21F 916

Patent

active

043775071

ABSTRACT:
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.degree. to about 500.degree. C. to drive off water and organics, with the resulting vitreous product totally containing the nuclear waste. Finally, this product can be sintered at about 800.degree. to about 900.degree. C. to reduce porosity, or warm pressed into block form.

REFERENCES:
patent: 3959172 (1976-05-01), Brownell et al.
patent: 4224177 (1980-09-01), Macedo
patent: 4266978 (1981-05-01), Prochazka

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