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水質保全 = Journal of Korean Society on Water Quality v.23 no.5, 2007년, pp.607 - 612   피인용횟수: 2

연속회분식 반응 공정에서 동역학적 계수 및 미생물합성에 사용된 영양물질 산정
Estimation of Kinetic Coefficient and Assimilated Nutrients Mass in SBR Process

지대현   (충북대학교 도시공학과UU0001309  ); 신상우   (충북대학교 도시공학과UU0001309  ); 이광호   (충북대학교 도시공학과UU0001309  ); 이재근   (대전발전연구원CC0125836  );
  • 초록

    In this study, we investigated the variations of the kinetic coefficients and Chemical Oxygen Demand (COD), N and P mass used for assimilation of a sequencing batch reactor (SBR) system with the variation of SRTs; SRTs of 7.5, 10.0, 12.5, 15.0 and 20.0 days were tested in one cycle of SBR operation to determine the optimum conditions for the operation of the SBR and estimate its COD, nitrogen and phosphorus removal efficiencies. The SBR system was operated under the conditions as follows: an operation time of 6 hours per cycle, a hydraulic retention time (HRT) of 12 hours, an influent COD loading of $0.4kg/m^3/day$ , and an influent nitrogen loading of $0.068kgT-N/m^3/day$ . The yield coefficient (Y) and decay rate coefficient ( $k_d$ ) were estimated to be 0.4198 kgMLVSS/kgCOD and $0.0107day^{-1}$ by calculating the removal rate of substrate according to the variation of SRT. Considering total nitrogen amount removed by sludge waste process, eliminated by denitrification, and in clarified water effluent with reference to 150 mg/cycle of influent nitrogen amount, the percentage of nitrogen mass balance from the ratio of the nitrogen amount in effluent (N output) to that in influent (N input) for Runs 1~5 were 95.5, 97.0, 95.5, 99.5, and 95.5%, respectively, which is well accounted for, with mass balances close to 100%.


  • 주제어

    Decay rate coefficient .   N mass balance .   Sequencing batch reactor .   Sludge retention time .   True yield coefficient.  

  • 참고문헌 (22)

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  • 이 논문을 인용한 문헌 (2)

    1. Park, Jong-Bu ; Park, Seung-Kook ; Hur, Hyung-Woo ; Kang, Ho 2009. "Estimation of Kinetic Coefficient in Submerged Membrane Bioreactor for Biological Nutrient Removal" 대한환경공학회지 = Journal of Korean Society of Environmental Engineers, 31(2): 109~113     
    2. Park, Jong-Bu ; Shin, Kyung-Sook ; Hur, Hyung-Woo ; Kang, Ho 2011. "Development of Influent Controlled Membrane Bioreactor for Biological Nutrient Removal on Municipal Wastewater" 대한환경공학회지 = Journal of Korean Society of Environmental Engineers, 33(7): 485~491     

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  • 지대현 (1)

    1. 2008 "SBR에서 충격부하에 따른 완충효과" 上下水道學會誌 = Journal of Korean Society of Water and Wastewater 22 (5): 581~587    
  • 이광호 (3)

  • 이재근 (2)

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