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METHOD FOR RECOVERING PRECIOUS METALS FROM PRINTED CIRCUIT BOARDS SCRAP OF END-OF-LIFE MOBILE PHONES
METHOD FOR RECOVERING PRECIOUS METALS FROM PRINTED CIRCUIT BOARDS SCRAP OF END-OF-LIFE MOBILE PHONES
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机译:从生活用手机的印刷电路板废料中回收贵金属的方法
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摘要
The present invention relates to a method for enriching and recovering precious metals from printed circuit board scraps of disused mobile phones, which can maximize a recovery rate through a simplified process comprising the steps of cutting, pulverizing, sorting and leaching printed circuit board scraps obtained by disassembling disused mobile phones. [Reference numerals] (S1) Cutting step; (S2) Pulverizing step; (S3) Sorting step; (S4) Acid leaching step; (S5) Aqua regia leaching step; (S6) Recovering step
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