Molecular glasses for nuclear waste encapsulation

Details Molecular glasses for nuclear waste encapsulation Molecular glasses for nuclear waste encapsulation

1980-05-05

1982-09-28

Kyle, Deborah L.

Compositions

Radioactive compositions

301 48, G21F 916

Patent

active

043517498

ABSTRACT:
A molecular glass based upon a phosphate of aluminum, or other trivalent metal, provides significant improvement over prior art glasses for encapsulation of high level radioactive nuclear waste. When containing a controlled amount of those elemental oxides found in a typical nuclear waste, the waste-glass would not devitrify under conditions which produced devitrification in the non-nuclear-waste-containing glass, exhibited hydrolysis losses lower by an order of magnitude, had high solvency power for those elemental oxides, exhibited little tendency for internal crystallite formation, and possessed other desirable physical characteristics, all in direct antithesis to the properties of the best prior-known glasses used for this application.

REFERENCES:
patent: 3365578 (1968-01-01), Grover et al.
patent: 4049779 (1977-09-01), Ropp
patent: 4087511 (1978-05-01), Ropp

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