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Advanced Technologies for Wastewater Treatment: Graphene-Based Catalysts.

Justine Elgoyhen1, Radmila Tomovska1,2

  • 1POLYMAT and Department of Applied Chemistry, Faculty of Chemistry, University of the Basque Country UPV/EHU, Avda Tolosa 72, 20018 Donostia-San Sebastian, Spain.

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|August 28, 2025
PubMed
Summary

Recent advances in catalytic systems enhance water purification using photocatalysis, Fenton-like processes, and biocatalysis. Graphene-based materials offer functional platforms for improved catalyst performance and scalability in water treatment.

Keywords:
aerogelhydrogelorganic dyesreduced graphene oxidewater remediationxerogel

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Area of Science:

  • Environmental Chemistry
  • Materials Science
  • Catalysis

Background:

  • Water purification faces challenges requiring advanced catalytic solutions.
  • Graphene-based materials show promise as supports for catalysts.
  • Photocatalysis, Fenton-like processes, and biocatalysis are key areas for water treatment.

Purpose of the Study:

  • To review recent advances in catalytic systems for water purification.
  • To highlight the role of graphene-based materials (aerogels, hydrogels, xerogels) in catalysis.
  • To discuss limitations and strategies for improving catalyst reusability, stability, and scalability.

Main Methods:

  • Review of recent literature, focusing on photocatalysis, Fenton-like processes, and biocatalysis.
  • Emphasis on studies utilizing graphene-based materials as platforms for catalytic nanoparticles and enzyme immobilization.
  • Comparison of group's research with broader scientific literature.

Main Results:

  • Graphene-based materials serve as effective platforms for integrating catalytic nanoparticles and immobilizing enzymes.
  • Recent advances show potential for enhanced catalytic activity and stability in water purification.
  • Practical limitations in catalyst reusability and scalability are identified.

Conclusions:

  • Graphene-based materials offer versatile platforms for developing advanced catalytic systems for water purification.
  • Further research is needed to overcome limitations in catalyst stability and scalability for real-world applications.
  • Optimized catalytic systems are crucial for efficient and sustainable water treatment solutions.