Role of nanocatalyst in the treatment of organochlorine compounds - A review

Mohamed A. El-Sheikh, Tony Hadibarata*, Adhi Yuniarto, Palanivel Sathishkumar*, Eslam M. Abdel-Salam, Abdulrahman A. Alatar

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

12 Citations (Scopus)


Since a few centuries ago, organochlorine compounds (OCs) become one of the threatened contaminants in the world. Due to the lipophilic and hydrophobic properties, OCs always discover in fat or lipid layers through bioaccumulation and biomagnification. The OCs are able to retain in soil, sediment and water for long time as it is volatile, OCs will evaporate from soil and condense in water easily and frequently, which pollute the shelter of aquatic life and it affects the function of organs and damage system in human body. Photocatalysis that employs the usage of semiconductor nanophotocatalyst and solar energy can be the possible alternative for current conventional water remediation technologies. With the benefits of utilizing renewable energy, no production of harmful by-products and easy operation, degradation of organic pollutants in rural water bodies can be established. Besides, nanophotocatalyst that is synthesized with nanotechnology outnumbered conventional catalyst with larger surface area to volume ratio, thus higher photocatalytic activity is observed. In contrast, disadvantages particularly no residual effect in water distribution network, requirement of post-treatment and easily affected by various factors accompanied with photocatalysis method cannot be ignored. These various factors constrained the photocatalytic efficiency via nanocatalysts which causes the full capacity of solar photocatalysis has yet to be put into practice. Therefore, further modifications and research are still required in nanophotocatalysts’ synthesis to overcome limitations such as large band gaps and photodecontamination.

Original languageEnglish
Article number128873
Publication statusPublished - Apr 2021


  • Nanophotocatalyst
  • Organochlorine compounds
  • Photocatalysis
  • Photodecontamination
  • Pollutant remediation
  • Semiconductor


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