Molecular glasses for nuclear waste encapsulation

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

G - Physics

21

F

359/37, 31/84

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

Patent

CA 1131005

ABSTRACT OF THE DISCLOSURE 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 continuing 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.

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