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Extracting Gold from Scrap PCB Boards

     

Methods for Extracting Gold from Scrap PCB Boards

There are two primary methods for extracting gold from scrap printed circuit boards (PCBs). The traditional method involves using chemical solvents to leach gold, which is known for its limitations such as small capacity, low efficiency, secondary pollution from wastewater, and the loss of other metals along with non-metal resources. 

In comparison, a new extraction method employs specialized equipment to perform physical separation. This device utilizes a innovative dry physical separation technique that involves crushing, separating, and sorting to extract metal components from scrap PCBs. Subsequently, further refining steps are conducted to recover gold from these extracted metals.

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