Arsenic removal and recovery of copper, zinc, and indium from complex scrap copper smelting dust

Key Points

• Arsenic removal significantly improves metal recovery from smelting dust, facilitating reuse.
• Copper recovery rates reached 80%, while zinc and indium recovery was notable, providing valuable insights.
• Analysis of complex smelting dust reveals efficient extraction techniques that enhance metal recycling.
• Improved recovery processes may limit environmental contamination linked to smelting operations.