Purification method of zinc sulfate leachate
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United States of America Patent
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Oct 1, 2013
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May 25, 2012
filing date -
May 25, 2012
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Abstract
A purification method of zinc sulfate leachate is provided. The purification method of zinc sulfate leachate comprises contacting the zinc sulfate leachate with a zinc powder under a non-oxidizing atmosphere to form solution containing a precipitate of impurity metal; and removing the precipitate of impurity metal from the solution and getting a purified zinc sulfate leachate. A purified zinc sulfate leachate may be prepared with a higher purification efficiency and a lower energy consumption than prior art.
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