Improved AOX degradation in UV oxidative waste water treatment by dialysis with nanofiltration membrane

M. Seiss, A. Gahr, R. Niessner

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

In this article, the wastewater treatment by UV oxidation with and without preceding desalination is compared. The influence of different chloride concentrations on the TOC degradation and AOX concentration is analyzed. Nanofiltration membrane dialysis is used to separate the chloride ions from wastewater. It is demonstrated that a reduction of the chloride concentration leads to a faster TOC degradation compared to the treatment of non-desalinated wastewater. Furthermore, the additional formation of AOX during the process could be avoided in effect leading to a significant degradation of native AOX.

Original languageEnglish
Pages (from-to)3242-3248
Number of pages7
JournalWater Research
Volume35
Issue number13
DOIs
StatePublished - 2001

Keywords

  • Adsorbable organic halogenated compounds (AOX)
  • Advanced oxidation process
  • Nanofiltration
  • Photochemical degradation
  • Total organic compounds (TOC)
  • UV/ozone
  • Wastewater

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