Removal of natural organic matter (NOM) by ozone oxidation and biological filtration using a rope-type biofilter

Sang Jun Sim, Youn Seok Kang, Woo Sik Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

As raw water quality gets worse, a great number of advanced techniques have been developed and adapted for water treatment to provide safe and high-quality drinking water. One of various water treatment processes is biological treatment, which is suitable for advanced water treatment, followed by conventional treatment processes. In this paper, we propose ozonation and biofiltration by a rope-type biofiltration contactor for the effective removal of natural organic matter (NOM) from the source of drinking water. The removal efficiencies of NOM were evaluated under various experimental conditions, such as ozone contact time, empty bed contact time (EBCT), media density of the sedimentation tank, and turbidity of the raw water. The combination of pre-ozonation and bio-filtration was found to be very effective for removing biodegradable organic matter as well as the turbidity of raw water. We expect that the biological rope media biofiltration contactor, with pre-ozonation, may be complimentary units for NOM removal when employed in a conventional water treatment process. This process can be easily introduced in small-and medium-scale water purification units.

Original languageEnglish
Pages (from-to)349-353
Number of pages5
JournalJournal of Industrial and Engineering Chemistry
Volume10
Issue number3
Publication statusPublished - 2004 May 1
Externally publishedYes

Fingerprint

Biofiltration
Biofilters
Ozone
Water treatment
Biological materials
Ozonization
Oxidation
Turbidity
Potable water
Drinking Water
Water
Settling tanks
Water quality
Purification

Keywords

  • Bio-filtration
  • Empty bed contact time (EBCT)
  • Natural organic matter (NOM)
  • Ozonation
  • Rope type media

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

Removal of natural organic matter (NOM) by ozone oxidation and biological filtration using a rope-type biofilter. / Sim, Sang Jun; Kang, Youn Seok; Kim, Woo Sik.

In: Journal of Industrial and Engineering Chemistry, Vol. 10, No. 3, 01.05.2004, p. 349-353.

Research output: Contribution to journalArticle

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