KSBB Journal

The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Measurement of Biological Activity in Pilot Scale Dyeing Wastewater Process by Using Respirometer

호흡률 측정기를 이용한 파일럿 스케일 염색폐수처리 장치에서의 생물학적 활성 측정

  • Jeon Hyun Hee (Department of Chemical Engineering, Kwangwoon University) ;
  • Choi Kwang Keun (Department of Chemical Engineering, Kwangwoon University) ;
  • Yoon In Jun (Daeyoon Scale Industrial Corporation) ;
  • Lee Jin Won (Department of Chemical Engineering, Kwangwoon University)
  • Published : 2004.10.01
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Abstract

Oxygen uptake rate (OUR) was used as an indicator of microbial activity. In this study OUR at dyeing wastewater in the pilot plant was monitored to examine biological activity. Correlation between inlet COD concentration and maximum OUR showed that maximum OUR was proportional to inlet COD concentration. Changes in the OUR values reflected the changing waste load in the reactor. Consequently, OUR can be used to estimate biological activity of inlet COD concentration. This study showed that biodegradable COD at dyeing wastewater could be calculated from OUR and yield coefficient. Non-biodegradable COD was able to be calculated from a difference between initial COD concentration and biodegradable COD.

Keywords

References

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