Method for Recovering Precious Metals from Printed Circuit Boards Scrap of End-of-Life Mobile Phones

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