Magnetic-Based Photocatalyst for Antibacterial Application and Catalytic Performance

  • Sze-Mun LamEmail author
  • Jin-Chung Sin
  • Abdul Rahman Mohamed
Part of the Environmental Chemistry for a Sustainable World book series (ECSW, volume 30)


Photocatalysis using magnetic-based photocatalyst in water and wastewater treatment offers a green and effective technique for the disinfection of harmful microorganisms along with its unwanted chemical pollutants. Introduction of magnetic materials to the catalytic material composites allows for the convenient magnetic separation, hence providing more economical, effective and environmentally friendly water decontamination processes. In this work, we disclosed a brief review on the effect of various magnetic-based photocatalyst nanomaterials on the application of the photocatalytic disinfection and degradation processes. The influencing factors including photocatalyst concentration and light intensity, nature of microorganism, solution pH, initial bacterial concentration and physiological state of bacteria of such processes were presented along with the disinfection mechanisms. The mechanism of magnetic-based photocatalyst was mainly ascribed to the surface generation of reactive oxygen species as well as free metal ion formation. Additionally, the potential utilization of the magnetic-based photocatalyst as visible light nanomaterials was discussed, and their magnetic recoveries were reviewed. It was worth noting that the combined disinfection and decontamination processes will greatly improve the use of magnetic-based photocatalysts as potential alternative to conventional methods of water purification.


Magnetic Photocatalyst Nanomaterial Antibacterial Organic pollutant Photocatalysis Visible light Mechanism Recycling Wastewater treatment 



This work was supported by the Universiti Tunku Abdul Rahman (UTARRF/2018–C2/S02 and UTARRF/2018–C1/L02) and Ministry of Higher Education of Malaysia (FRGS/1/2016/TK02/UTAR/02/1).


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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Sze-Mun Lam
    • 1
    Email author
  • Jin-Chung Sin
    • 2
  • Abdul Rahman Mohamed
    • 3
  1. 1.Department of Environmental Engineering, Faculty of Engineering and Green TechnologyUniversiti Tunku Abdul RahmanKamparMalaysia
  2. 2.Department of Petrochemical Engineering, Faculty of Engineering and Green TechnologyUniversiti Tunku Abdul RahmanKamparMalaysia
  3. 3.School of Chemical EngineeringUniversiti Sains MalayisiaNibong TebalMalaysia

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