Electrolytic production process for magnesium and its alloys
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United States of America Patent
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Jan 14, 1997
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N/A
app pub date -
Jun 9, 1995
filing date -
Jun 9, 1995
priority date (Note) -
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Abstract
A process is disclosed for the electrolytic production of magnesium utilizing magnesium oxide and/or partially dehydrated magnesium chloride as a feedstock. An electrolyte containing magnesium chloride, potassium chloride and optionally sodium chloride is employed so that magnesium is produced. The magnesium is absorbed into a molten magnesium alloy cathode layer underlying the MgCl.sub.2 -KCl electrolyte. In a bipolar embodiment, pure magnesium is electrolytically transported from the magnesium alloy through a second molten salt electrolyte to an overlying electrode where the magnesium collects as a pool on the second electrolyte.
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