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)

Patent

CA 1131004

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 containing a controlled amount of those elemental oxides found in a typical nuclear waste, the waste-glass could not be forced to devitrify, exhibited hydrolysis losses lower by an order of magnitude, had higher solvency power for these elemental oxides, exhibited no tendency for in- ternal 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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