Breakthrough in Nanotechnology: Novel Photocatalyst Synthesized for Wastewater Treatment

Researchers from Razi University in Iran have developed a novel Bi4O5I2/Ag3PO4@MgAl-LDH (AB-LDH) nano-photocatalyst that shows exceptional efficiency in photocatalytic degradation of Methylene Blue (MB) under visible light exposure. This innovative technology has the potential to play a significant role in wastewater treatment, making it an economically viable solution for industries and municipalities.

Key Takeaways:

  • The AB-LDH nanocomposite was synthesized using a precipitation method and characterized using various analytical techniques, including XRD, FTIR, EDS-Mapping, UV-vis, PL, BET, FESEM, EIS, and Zeta potential analyses.
  • The optimal composition of the AB-LDH nanocomposite was obtained using the mixture design of experiments (MDOEs) with simplex lattice design, with 60, 23, and 17 wt% of the components.
  • The photocatalyst shows complete purification effectiveness (100% removal) for MB concentrations of 5 and 10 mg/L, while 81.9% of MB is eliminated at a concentration of 15 mg/L.
  • Increasing the catalyst dosage to 100 mg/L enhances the photodegradation process, and the highest efficiency of photodegradation was obtained at pH 9.5.
  • The research concludes that the AB-LDH process is the most economical for MB degradation under optimized conditions, averaging $0.016 for treating dye wastewater.

Statistics:

  • The AB-LDH nanocomposite was synthesized with a composition of 60, 23, and 17 wt% of the components.
  • The photocatalyst shows 100% removal of MB at concentrations of 5 and 10 mg/L.
  • At a concentration of 15 mg/L, the photocatalysteliminates 81.9% of MB.
  • The AB-LDH process averages $0.016 for MB degradation under optimized conditions.

Sources:

  • Materials Chemistry and Physics, 2025;344.
  • NewsRx LLC. New Findings in Photocatalytics Described from Razi University (Design and Synthesis of Bi5o4I2/Ag3PO4@MgAl-LDH As a Visible-light Response Photocatalyst for Degradation Methylene Blue). Journal of Technology & Science. October 26, 2025; p 2233.