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October 8, 2025

Graphene Oxide-Chitosan Composite for Efficient Adsorptive Removal of Cu(II), Co(II), and Ni(II) from Simulated E‑Waste Effluents.

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Authors

MPMalinee PromkatkaewPSPailin SrisuratsiriUSUmarin Sangpanich

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Overview

This study demonstrates high adsorption of Cu(II), Co(II), and Ni(II) in simulated e-waste effluents, indicating the composite's potential as a biosorbent.

Key Points

  • The composite achieved 99.98% adsorption of Cu(II) at pH 7 within 30 minutes, showcasing its effectiveness in metal ion removal.
  • Characterization methods, including infrared spectroscopy and scanning electron microscopy, confirmed the composite's structural properties and functional groups.
  • Molecular dynamics simulations and binding energy analysis revealed strong coordination between the composite and metal ions, with a preference for Cu(II).
  • These results highlight the eco-friendly potential of graphene oxide-chitosan composites for treating wastewater from electronic waste.

Cite This Study

Promkatkaew et al. (2025) studied this question.

synapsesocial.com/papers/68e6d7971ffa7aa7d63d1643https://doi.org/10.1021/acsomega.5c05350
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