지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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There are two types of rectangular secondary clarifier at biological nutrient removal (BNR) facility to settle MLSS; conventional activated sludge secondary clarifier and Gould Type I clarifier. In this study, the performances of two types at respective biological nutrient removal facility are compared using weekly operational data. Surface Overflow Rate (SOR), Surface Loading Rate (SLR), Sludge Volume Index (SVI), secondary effluent SS concentration are studied. It has found that Gould Type I has 3.5 times less average secondary effluent SS concentration that is 2.4 mg/L than that of conventional activated sludge secondary clarifier. Both SOR and SLR have shown little effect on secondary effluent SS concentrations at Gould Type I clarifier in contrary that SOR affects the secondary effluent SS concentrations at conventional activated sludge rectangular secondary clarifier. From this study, it is recommended that Gould Type I must be considered for secondary clarifier when BNR plant is designed.
목차
등록된 정보가 없습니다.
참고문헌 (8)
참고문헌 신청
Metcalf and Eddy, Inc. / 2003 / Wastewater Engineering, Treatment and Reuse-4th Edition / McGraw-Hill :749~816
Parker, D. / 1996 / Design and Operations Experience with Flocculator-Clarifiers in Larger Plants / Wat. Sci. Tech. 33(12):163~170
Wahlberg, E. J, Augustus, M. / 1994 / Evaluating Activated Sludge Secondary Clarifier Performance Using the CRTC Protocol: Four Case Studies / Water Environment Federation 67th Annual Conference and Exhibition
Wahlberg, E. J. / 1995 / Update on Secondary Clarifiers : Design, Operation and Performance / U.S. EPA 4th National Wastewater Treatment Technology Transfer Workshop
Wahlberg, E.J. / 2001 / WERF/CRCT Protocols for Evaluating Seconary Clarifier Performance
Parker, D. / 1996 / Design and Operations Experience with Flocculator-Clarifiers in Larger Plants / Wat. Sci. Tech. 33(12):163~170
Wahlberg, E. J, Augustus, M. / 1994 / Evaluating Activated Sludge Secondary Clarifier Performance Using the CRTC Protocol: Four Case Studies / Water Environment Federation 67th Annual Conference and Exhibition
Wahlberg, E. J. / 1995 / Update on Secondary Clarifiers : Design, Operation and Performance / U.S. EPA 4th National Wastewater Treatment Technology Transfer Workshop
Wahlberg, E.J. / 2001 / WERF/CRCT Protocols for Evaluating Seconary Clarifier Performance
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