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Updated: Sep 10, 2025

Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper
Published on: February 27, 2021
Sustainable recovery of copper from wastewater via zinc cementation enhanced by natural chalcone-based accelerators
Ashraf Morsy1, Hanaa H Abdel Rahman2, Hesham M Kamel3
1Faculty of Engineering, Petrochemical Department, Pharos University in Alexandria, Canal El Mahmoudia Street, Beside Green Plaza Complex, , Alexandria, 21648, Egypt. Ashraf.morsy@alexu.edu.eg.
Abstract:
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.
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