METHOD AND DEVICE FOR ZINC ELECTROWINNING FROM SULFATE SOLUTIONS
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
Feb 2, 2012
filing date -
Feb 4, 2011
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Abandoned
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Abstract
The invention relates to a method and a device for electrowinning of zinc from sulfate solutions. The electrolyzer for zinc extraction according to the invention includes a bath-reactor which is equipped with power supply buses, a pipeline of two pipes for supplying the electrolyte, cathodes, anodes, plastic strips along the height of the anodes, an overflow for electrolyte discharge by gravity. The cathodes have an area of 3.5-10 m2. The height of the electrolyzer is at least two times greater than its width, and the length of the electrolyzer depends on the number of the electrodes. The bottom of the electrolyzer is divided by a groove along the length of the bath.
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