Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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A Study on the Dye Wastewater Treatment by Advanced Oxidation Process

고급산화공정을 이용한 염료폐수의 처리기술 연구

  • Kang, Tae Hee (Department of Environmental Engineering, Yonsei University) ;
  • Oh, Byung Soo (Department of Environmental Engineering, Yonsei University) ;
  • Park, Sei Joon (Department of Environmental Engineering, Yonsei University) ;
  • Kang, Min Gu (Department of Environmental Engineering, Yonsei University) ;
  • Kim, Jong Sung (LG ESI) ;
  • Kang, Joon-Wun (Department of Environmental Engineering, Yonsei University)
  • Received : 2005.02.01
  • Accepted : 2005.03.15
  • Published : 2005.05.30
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Abstract

Dye wastewater generally contains strong color and non-biodegradable materials. Therefore, the conventional wastewater treatment plant can hardly meet the regulation of wastewater effluent water. In this study, a pilot plant of the conventional process followed by advanced oxidation process (AOP), was set up to treat the dying wastewater. The treatment efficiencies on the various candidate processes, such as ozone alone, UV alone, ozone/UV, $ozone/H_2O_2$, $H_2O_2/UV$ and $ozone/UV/H_2O_2$, were investigated in the various ozone and $H_2O_2$ doses. As the results, the $ozone/H_2O_2$ process, among the tested processes, showed the highest efficiency for removing color and $COD_{Cr}$. For color removal, the ozone alone process was enough without combining UV or $H_2O_2$. No significantly enhanced efficiency for removing color and $COD_{Cr}$ by UV irradiation was observed because of the very low transmittance of UV light in dye wastewater.

Keywords

Acknowledgement

Supported by : 환경부

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