Green synthesis of low-cost graphene oxide-nano zerovalent iron composite from solid waste for photocatalytic removal of antibiotics
2024

Using Waste to Clean Water: A Study on Graphene Oxide and Iron

publication Evidence: high

Author Information

Author(s): Jha Aditya Kumar, Chakraborty Sukalyan, Biswas Jayanta Kumar

Primary Institution: Birla Institute of Technology, Mesra

Hypothesis

Can a graphene oxide-nano zerovalent iron composite effectively remove antibiotics from water?

Conclusion

The study successfully developed a composite that can degrade tetracycline and ciprofloxacin in water, achieving high removal efficiencies.

Supporting Evidence

  • The composite achieved 91% removal efficiency for tetracycline and 92% for ciprofloxacin.
  • Microbial assays confirmed that the degraded antibiotics were non-toxic.
  • The synthesis method uses agricultural waste, promoting sustainability.

Takeaway

Scientists made a special material from waste that can clean antibiotics out of water really well, making it safe to throw away.

Methodology

The composite was synthesized using sugarcane bagasse and Sal leaf extract, and its effectiveness was tested for removing antibiotics under various conditions.

Limitations

Zeta potential analysis was not performed, and the degradation efficiency depends on environmental conditions, requiring re-optimization for each antibiotic.

Digital Object Identifier (DOI)

10.1016/j.isci.2024.111486

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