Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Alkali metal
Reexamination Certificate
2006-05-16
2006-05-16
Johnson, Edward M. (Department: 1754)
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Alkali metal
C423S544000
Reexamination Certificate
active
07045104
ABSTRACT:
A method of treating aqueous salt solutions to provide a solution suitable for vitrification to a stable glass matrix for long term storage is described. In particular, salt solutions composed of aqueous nuclear waste materials are suitable for treatment by the described method. Specifically, salt solutions which have a sulfate to sodium mole ratio that does not permit easy vitrification into stable glasses may be treated by the present invention. The present method decreases the volume of vitrified glass.
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patent: 6787120 (2004-09-01), Geniesse
Cogema, Inc.
Johnson Edward M.
Morgan & Lewis & Bockius, LLP
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