Process for direct conversion of reactive metals to glass

Details Process for direct conversion of reactive metals to glass Process for direct conversion of reactive metals to glass

1988-11-16

1990-02-06

Locker, Howard J.

Compositions

Radioactive compositions

252628, 252632, 432 13, 432 31, G21F 916

Patent

active

048986925

ABSTRACT:
Radioactive alkali metal is introduced into a cyclone reactor in droplet form by an aspirating gas. In the cyclone metal reactor the aspirated alkali metal is contacted with silica powder introduced in an air stream to form in one step a glass. The sides of the cyclone reactor are preheated to ensure that the initial glass formed coats the side of the reactor forming a protective coating against the reactants which are maintained in excess of 1000.degree. C. to ensure the formation of glass in a single step.

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DOE/HP-29, ANL-87-39, Rajan et al., "Improved Treatment/-Disposal of Reactive Metals", Annual Report, 10/1987.
ANL-78-87, McPheeters et al., "Disposal of Radioactive Sodium Waste", ANL, dated Sep. 1978.

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