Journal of Korean Society of Environmental Engineers (대한환경공학회지)

Korean Society of Environmental Engineers (대한환경공학회)
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Factors Affecting Microbial Respiration (MR) by Rapid Oxygen Uptake Rate (OUR) Monitoring

급속 OUR 모니터링을 이용한 Microbial Respiration (MR) 영향인자 평가

  • Park, Se-Yong (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Mo, Kyung (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Kim, Youn-Kwon (K-water Institute, K-water) ;
  • Kim, Moon-Il (Department of Civil and Environmental Engineering, Hanyang University)
  • 박세용 (한양대학교 건설환경공학과) ;
  • 모경 (한양대학교 건설환경공학과) ;
  • 김연권 (한국수자원공사 수자원연구원) ;
  • 김문일 (한양대학교 건설환경공학과)
  • Received : 2011.02.10
  • Accepted : 2011.09.28
  • Published : 2011.09.30
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Abstract

As this study was estimation of factors of rapid OUR (Oxygen Uptake Rate) monitoring method. Experiment for estimating factors of optimal microorganism activity was carried out in this study. In addition to comparison and estimation of SCOD variation by OUR variation using real wastewaters. In consequence OUR value was highest when F/M ratio, pH and temperature were 0.03~0.05, 6.0~8.5 and $20{\sim}30^{\circ}C$ respectively. Oxygen consumption by nitrification was incomplete. OUR variation of SCOD was recognizable difference of degradable rate at before and after of inflection point OUR. This study used an experimental method for real time prediction of the influent of the sewage treatment plant for optimal operation is expected to be able to do.

본 연구는 급속 OUR (Oxygen Uptake Rate)방법의 영향인자 평가로서 최적의 미생물 활성도에 미치는 영향인자를 평가하는 실험을 진행하였으며, 실폐수를 이용하여 OUR변화에 따른 SCOD의 변화를 비교 평가하였다. 그 결과 최적의 F/M비는 0.03~0.05이었고, pH는 6.0~8.5, 온도는 $20{\sim}30^{\circ}C$에서 OUR 값이 가장 높았으며, 질산화에 대한 산소소모는 미비했다. OUR 변화에 따른 SCOD (Soluble COD)의 변화는 OUR 변곡점 시간 전후로 SCOD의 분해속도에 차이가 있음을 알 수 있었다. 본 연구의 실험방법을 이용하여 하수처리장의 유입수 실시간 예측을 통해 최적의 운영을 할 수 있을 것이라 기대한다.

Keywords

References

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