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<p>This study presents an eco-friendly strategy to enhance copper ion recovery from industrial wastewater through zinc cementation, utilizing natural chalcone-derived pyrazolo-quinoxaline compounds as organic accelerators. These bio-based additives notably improve recovery efficiency by promoting dendritic copper deposition, which enhances surface reactivity and mass transfer rates. For the first time, this research combines quantum chemical analysis with a dimensionless model (Sh = 0.81Sc^0.33Re^0.47) to explain the mechanism of chalcone-assisted cementation, proposing a sustainable and mechanistically grounded approach for metal recovery.</p>

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Sustainable recovery of copper from wastewater via zinc cementation enhanced by natural chalcone-based accelerators

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年8月25日

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  • Ashraf Morsy,
  • Hanaa H. Abdel Rahman,
  • Hesham M. Kamel,
  • Hassan A. Ewais,
  • Abd El Monaem M. Ahmed,
  • Ahmed Morsy,
  • Eman A. Fadl,
  • Elsayed G. Blall

摘要

This study presents an eco-friendly strategy to enhance copper ion recovery from industrial wastewater through zinc cementation, utilizing natural chalcone-derived pyrazolo-quinoxaline compounds as organic accelerators. These bio-based additives notably improve recovery efficiency by promoting dendritic copper deposition, which enhances surface reactivity and mass transfer rates. For the first time, this research combines quantum chemical analysis with a dimensionless model (Sh = 0.81Sc^0.33Re^0.47) to explain the mechanism of chalcone-assisted cementation, proposing a sustainable and mechanistically grounded approach for metal recovery.