Burning-free and non-cyanide method for recycling waste printed circuit board
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United States of America Patent
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Aug 25, 2015
Grant Date -
Dec 12, 2013
app pub date -
Jul 28, 2011
filing date -
Mar 11, 2011
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Abstract
A burning-free and non-cyanide method for recycling waste printed circuit board is provided, comprising the following steps: desoldering to separate lead and tin; crashing and electrostatic selecting to respectively extract stibium, aluminum, copper, nickel, silver, gold, platinum and palladium. The method can realize the maximization of recycling of valuable metal resources, can thoroughly separate the metal lead and tin for recycling, and meanwhile increase the recycling rate of the metal palladium.
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