A green process for simultaneously efficient base metals removal and precious metals enrichment from copper anode slime

Wen Zhu,Nengwu Zhu,Jinchan Xian,Yunhao Xi,Fei Li,Pingxiao Wu,Yijun Chen

Resources, Conservation and Recycling（2022）

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摘要

•An efficient process for precious metals enrichment from anode slime was developed.•Only low-concentration and green reagents were employed in the process.•H2SO4H2O2C4H6O6 efficiently removed base metals but retained precious metals.•Ag, Au, and Pd were enriched by 517.08%, 330.77%, and 400.00%, respectively.•The mechanism for efficient precious metals enrichment in the process was proposed.

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关键词

Copper anode slime,Pyro-hydrometallurgical process,Precious metals enrichment,Sustainable production,Thermodynamic analysis

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