Solar activated ozonation of phenol and malic acid

Laura Sánchez, Xavier Domènech, Juan Casado, José Peral

Research output: Contribution to journalArticleResearchpeer-review

24 Citations (Scopus)


The effect that sunlight has on the degradation rate of two model organic compounds, phenol and malic acid, by ozone is studied. The effect seems to be due to both direct light absorption (300-320 nm photons) by ozone, which produces the pollutant degradation, and light absorption by reaction intermediates. The presence of such a light notably improves the reactivity of ozone toward the organic species, leading to a faster and complete mineralization even at large initial total organic carbon values. The use of artificial sunlight (Xe lamp) is also explored. Finally, the simultaneous presence of sunlight and other ozone degradation catalyst like transition metal ions is studied, showing the beneficial effect of such a combination. © 2002 Elsevier Science Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)1085-1093
Issue number8
Publication statusPublished - 1 Mar 2003


  • Malic acid
  • Ozone
  • Phenol
  • Sunlight


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