Catalyzed ozonation process with GAC and metal doped-GAC for removing organic pollutants

B. S. Oh, S. J. Song, E. T. Lee, H. J. Oh, J. W. Kang

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12 Citations (Scopus)

Abstract

The purpose of this study was to investigate the catalytic role of granular activated carbon (GAC), and metal (Mn or Fe) doped-GAC, on the transformation of ozone into more reactive secondary radicals, such as hydroxyl radicals (OH), for the treatment of wastewater. The GAC doped with Mn showed the highest catalytic performance in terms of ozone decomposition into OH radicals. Likewise, activated carbon alone accelerated the ozone decomposition, resulting in the formation of OH radicals. In the presence of promoters, the ozone depletion rate was enhanced further by the Mn-GAC catalyst system, even under aqueous acidic pH conditions.

Original languageEnglish
Pages (from-to)45-49
Number of pages5
JournalWater Science and Technology
Volume49
Issue number4
Publication statusPublished - 2004 Apr 21

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All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Water Science and Technology

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