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April 3, 2026ACS OmegaOpen Access

Thiourea-formaldehyde-Functionalized Graphene Oxide for the Selective Removal of Copper from Multielement Solution

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Authors

NFN. CORDEIRO FERREIRATVThainara VianaGGGil Gonçalves

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Overview

Demonstrates selective copper recovery in multielement solutions using a new sorbent, suggesting effective recycling methods for critical materials.

Key Points

  • The central aim is to explore an innovative sorbent for the selective recovery of copper from complex waste solutions.
  • Developed thiourea-formaldehyde functionalized graphene oxide (G3DTF) as a sorbent.
  • Evaluated performance in both monoelement and equimolar multielement solutions.
  • Conducted Langmuir isotherm and kinetic analyses to assess copper adsorption characteristics.
  • Optimized operating conditions, including sorbent dosage and pH.
  • Validated performance with real leachate-mimicking systems.
  • Achieved approximately 99% copper removal under optimized conditions.
  • Demonstrated maximum adsorption capacity of 23.4 mg g–1 for copper.
  • Adsorption followed pseudo-first-order kinetics in simple systems and chemisorption in multielement matrices.
  • Sorbent dosage and pH significantly influenced the recovery efficiency.

Cite This Study

FERREIRA et al. (2026) studied this question.

synapsesocial.com/papers/69cf5d885a333a821460b4cdhttps://doi.org/10.1021/acsomega.5c13435
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