Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Study of Soluble Organic Matter of Livestock Wastewater Treated by Ionized Gas and Coagulation after Ionized Gas

이온화가스와 응집공정을 조합한 축산폐수의 처리시 용존 유기물의 특성에 관한 연구

  • Lee, Eun-Ju (Department of Environmental engineering, Chonbuk National University) ;
  • Chung, Paul-Gene (Department of Environmental engineering, Chonbuk National University) ;
  • Kim, Min-Jeong (Department of Environmental engineering, Chonbuk National University) ;
  • Hyun, Mi-Hee (Department of Environmental engineering, Chonbuk National University)
  • 이은주 (전북대학교 환경공학과) ;
  • 정팔진 (전북대학교 환경공학과) ;
  • 김민정 (전북대학교 환경공학과) ;
  • 현미희 (전북대학교 환경공학과)
  • Received : 2004.07.30
  • Accepted : 2004.10.29
  • Published : 2004.11.30
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Abstract

This study was performed to investigate the variations of hydrophilic and hydrophobic organic matter fractions in soluble organic matter according to livestock wastewater treatment by ionized gas and coagulation effect to these fractions after ionized gas contact. As a result of experiment, because of ionized gas contact, particle in the surface of livestock wastewater was more smaller and the result was consisted of particle size analysis and the amount of small size was increased. Also, we confirmed that organic matters in livestock wastewater by ionized gas contact were removed. The relation equation between ionized gas contact time(X) and $TCOD_{cr}$(Y) was shown as yscale(y)=3.748-0.431* xscale(X). That between ionized gas contact time(X) and $TCOD_{cr}$(Y) was yscale(y)=3.283-0.463* xscale(X). As respects the HPL(hydrophilic matter)and HPO(hydrophobic matter) fractions of raw in livestock wastewater treatment plant, HPL fraction was 53.2% and HPO fraction was 46.8%. But, HPO fraction according to ionized gas treatment was increased at 30min and after that time, HPL fraction was increased. Also, when we performed coagulation process after ionized gas treatment of raw wastewater, the removal efficiency of organic matter was the highest at 30min of ionized gas treatment because of the variation of HPL and HPO fractions in organic matter by ionized gas. In coagulation process following after ionized gas process, HPO was removed more effective than HPL.

Keywords

References

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