Catalytic ozonation of natural organic matter on alumina

Barbara Kasprzyk-Hordern, U Raczyk-Stanislawiak, J Swietlik, J Nawrocki

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132 Citations (Scopus)

Abstract

The paper aims to show the potential of catalytic ozonation in the presence of alumina for the removal of natural organic mater from drinking water. An investigation into the efficiency of catalytic ozonation, ozonation by-products formation and their biodegradability was the main goal of the paper. Characterisation of fresh and worn alumina was also conducted. The results clearly indicated the high activity of alumina over a long period of time, which is crucial in water treatment technology. The application of alumina to the ozonation system doubled the efficiency of NOM removal from water when compared to ozonation alone. Furthermore, catalytic ozonation resulted in lower by-products and biodegradable organic carbon formation.
Original languageEnglish
Pages (from-to)345-358
Number of pages14
JournalApplied Catalysis B: Environmental
Volume62
Issue number3-4
DOIs
Publication statusPublished - 2006

Keywords

  • model
  • alumina
  • degradation
  • aqueous-solution
  • catalytic ozonation
  • NOM
  • humic-acid
  • drinking-water
  • mass titration
  • nom
  • ozone
  • removal
  • water treatment
  • supported titanium-dioxide

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