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US 2008/0302297 A1Published application
Method of recovering sodium metal from flux
AssigneeNGK Insulators, Ltd.
InventorsMikiya Ichimura, Katsuhiro Imai
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Abstract
It is provided a method for gently and safely recovering only sodium metal from a flux containing sodium metal in a short time and in a reusable form. Flux 23 is heated in a medium 19 unreactive with sodium metal 22 at a temperature equal to or higher than the melting point of sodium metal to separate and recover the sodium metal 22 from the flux 23. The medium is a hydrocarbon, for example.
Claims5
A method of recovering sodium metal from a flux containing sodium metal, the method comprising the step of,
- heating said flux in a medium unreactive with said sodium metal at a temperature equal to or higher than the melting point of said sodium metal to separate and recover said sodium metal from said flux.
Dependencies are inferred from the claim text.