Catalytic ozonation and methods of enhancing molecular ozone reactions in water treatment

Barbara Kasprzyk-Hordern, M Ziolek, J Nawrocki

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1027 Citations (Scopus)

Abstract

This paper presents a review of catalytic ozonation and methods of enhancing molecular ozone reactions in water treatment. It is also an attempt to propose general ideas about mechanisms governing catalytic ozone reactions. Catalytic ozonation is a new means of contaminants removal from drinking water and wastewater. Its application is mainly limited to laboratory use. However, due to successful results further investigation is to be carried out. The majority of models proposed represent more of a speculative approach to the problem than a hypothesis based on experimental data. It is therefore useful to provide a summary of the accomplishments concerning catalytic ozonation and methods of enhancing molecular ozone reactions that were published so far. A survey of the application of several homo- and heterogeneous catalysts, their activity and the parameters influencing the efficiency of catalytic systems is presented here as a short overview, the aim of which is to raise awareness of possible new approaches to water purification.
Original languageEnglish
Pages (from-to)639-669
Number of pages31
JournalApplied Catalysis B: Environmental
Volume46
Issue number4
DOIs
Publication statusPublished - 2003

Keywords

  • advanced oxidation processes
  • perfluorooctane sulfonate
  • aqueous-solution
  • surfactant-modified alumina
  • catalytic ozonation
  • photocatalysis
  • dilute-solution separation
  • perfluorochemicals
  • polycyclic aromatic-hydrocarbons
  • semiconductor
  • oxalic-acid
  • AOPs
  • ozonation
  • performance liquid-chromatography
  • supported titanium-dioxide
  • ozonation enhancement
  • hydrophobic organic-compounds

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