Copper recovery from waste printed circuit boards by NH3−(NH4)2S2O8–CuSO4 slurry electrolysis

Rong Wang,Shuyuan Chen,Yi Deng,Xiangfei Zeng,Jiqin Wang,Qian Liang,Jiancheng Shu,Mengmeng Wang,Mengjun Chen,Junwei Han,Kehua Ai

Journal of Industrial and Engineering Chemistry（2024）

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摘要

•Successful approach to recover 90% Cu from WPCBs.•Copper foil obtained has high purity (99.986%) meeting the standard of Cu-CATH-2.•Current efficiency obtained of 83.03%•Great potential to reuse the etching wastewater containing (NH4)2S2O8.

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关键词

copper recovery,waste,circuit boards

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