Ozonation and advanced oxidation treatment of emerging organic pollutants in water and wastewater

Keisuke Ikehata, Mohamed Gamal El-Din, Shane A. Snyder

Research output: Contribution to journalArticlepeer-review

208 Scopus citations


A vast number of persistent organic pollutants have been found in wastewater effluent, surface water, and drinking water around the world. This indicates their ineffective removal from water and wastewater using conventional treatment technologies. In addition to classical persistent organics such as organochlorine insecticides, solvents, and polychlorinated biphenyls, a growing number of emerging pollutants of both synthetic and natural origins have been identified as major environmental pollutants in recent years. A variety of advanced and conventional treatment options have been suggested for the removal and/or destruction of these persistent organics in water and wastewater, such as chemical oxidation, activated carbon adsorption, and membrane filtration. Of these options, chemical oxidation using ozone, alone or in combination with additional physical/chemical agents (i.e., advanced oxidation), has been proved a highly effective treatment process for a wide spectrum of emerging aqueous organic pollutants, including pesticides, pharmaceuticals, personal care products, surfactants, microbial toxins, and natural fatty acids. In this paper, we discuss the emerging organic pollutants of concern in the aquatic environment and focus on the issues associated with their removal using ozonation and advanced oxidation processes.

Original languageEnglish (US)
Pages (from-to)21-26
Number of pages6
JournalOzone: Science and Engineering
Issue number1
StatePublished - Jan 2008


  • Advanced Oxidation Processes
  • Ozone
  • Pesticides
  • Pharmaceuticals

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry


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