RECOVERY METHOD OF TIN AND NICKEL FROM SCRAPS OF STEEL BALL FOR BARREL PLATING
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United States of America Patent
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Issued Date -
Oct 10, 2013
app pub date -
May 3, 2012
filing date -
Apr 10, 2012
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Abandoned
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Abstract
The present invention relates to a method of recovering tin and nickel compounds with high purity at a high yield from scrap steel balls for barrel plating through simple processes without using an excess amount of a solvent, the method using an eco-friendly dry pretreatment and subsequent processes including hydrogen reduction and electrolytic refining under certain conditions.
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