The Journal of
the Korean Society on Water Environment

The Journal of
the Korean Society on Water Environment

Bimonthly
  • ISSN : 2289-0971 (Print)
  • ISSN : 2289-098X (Online)
  • KCI Accredited Journal

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Title Treatment of Tar Wastewater by Biological - Ozone Oxidation Process
Authors 박영규 ; 이철희 ; 황태구 ( Yung Kyu Park ; Chul Hee Lee ; Tae Gu Hwang )
Page pp.1014-1019
ISSN 2289-0971
Abstract Activated sludge-ozone treatability of tar wastewater and tar wastewater containing herbicide alachlor was studied. The microbial yield coefficients of activated sludge process for the tar wastewater increased with decreasing feed wastewater strength. However, the yield coefficient decreased for the alachlor wastewater. For the ozone oxidation of activated sludge effluent, COD removal efficiencies were 41% and 36% for the tar and alachlor wastewater, respectively, at O₃/COD ratio of 3.
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