ANODE FOR ELECTROWINNING AND METHOD FOR ELECTROWINNING USING SAME
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United States of America Patent
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Feb 27, 2014
app pub date -
Mar 23, 2012
filing date -
Mar 25, 2011
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Abstract
Provided is an anode for electrowinning in a sulfuric acid based electrolytic solution. The anode produces oxygen at a lower potential than a lead electrode, lead alloy electrode, and coated titanium electrode, thereby enabling electrowinning to be performed at a reduced electrolytic voltage and the electric power consumption rate of a desired metal to be reduced. The anode is also available as an anode for electrowinning various types of metals in volume with efficiency. The anode is employed for electrowinning in a sulfuric acid based electrolytic solution and adopted such that a catalyst layer containing amorphous ruthenium oxide and amorphous tantalum oxide is formed on a conductive substrate.
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