Method and apparatus for the treatment of a melt
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United States of America Patent
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Jul 29, 2003
Grant Date -
N/A
app pub date -
Feb 6, 2001
filing date -
May 15, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for adding a metal, for example sodium, to a melt of a material, for example aluminum, in a vessel, in which a molten compound of the metal or a solution of a compound of the metal is provided in a container (12), the container being positioned outside the vessel, the compound is electrolytically decomposed and ions of the metal are caused to pass through a wall of a solid-state electrolyte (14) which is a conductor therefor, from a first side of the wall to an opposite second side thereof, and to combine with electrons at the second side of the wall and then to flow as molten metal from the container into the melt in the vessel.
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