Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Simplification of ASM No. 2 using Anaerobic-Aerobic-Anoxic SBR

혐기-호기-무산소 SBR 반응조를 이용한 ASM No. 2 모델의 간략화에 관한 연구

  • 김신걸 (서울시립대학교 환경공학부) ;
  • 최인수 (서울시립대학교 환경공학부) ;
  • 구자용 (서울시립대학교 환경공학부)
  • Received : 2007.07.13
  • Accepted : 2008.02.12
  • Published : 2008.02.15
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Abstract

ASM No. 2(Activated sludge model No. 2) is very useful model to analyze the wastewater treatment which removes nitrogen and phosphorus. But, it is difficult to apply ASM No. 2 to control of wastewater treatment since it has 17 material divisions and 46 parameters. So the purpose of this study was the simplification of ASM No. 2 and the provement of simplification model. Firstly ASM No. 2 was simplified with 5 material division and three phases(Anaerobic, aerobic, anoxic phases). The simplified model was proved by R-square using track study data. As a result of provement, the values of R-square in ${NH_4}^+$ were 0.9815 in ASM No. 2 and 0.9250 in simplified model and in ${NO_3}^-$ were 0.8679 in ASM No. 2 and 0.7914 in simplified model and in ${PO_4}^{3-}$ are 0.9745 in ASM No. 2 and 0.9187 in the simplified model when the ability to express the material variation was compared by R-square. So, the simplified model has enough ability to express the variation of ${NH_4}^+$, ${NO_3}^-$ and ${PO_4}^{3-}$.

Keywords

References

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