Method and an electrolysis cell for production of a metal from a molten chloride
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United States of America Patent
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Issued Date -
Dec 31, 2009
app pub date -
Sep 17, 2007
filing date -
Sep 22, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present method relates to a method and a cell for electrolytic production of zinc from a salt melt comprising zinc chloride. The cell has at least one electrolysis chamber (2) containing an electrolyte and at least one adjacent chamber (1) separated from said electrolysis chamber by means of at least one partition wall (7, 8). The atmosphere(s) in the electrolysis chamber(s) is separated from the atmosphere(s) in the adjacent chamber(s) by the at least one partition wall. The electrolyte is directed to flow between the electrolysis chamber(s) and the adjacent chamber(s) through at least one opening in or at the partition wall(s) below the level of the electrolyte level. The Zinc metal produced is collected in the bottom of the cell. The electrolyte flow can be controlled in a substantial laminar manner.
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