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논문 기본 정보

자료유형
학술저널
저자정보
이수영 (NGST Co., Ltd) 오지현 (School of Civil Urban & Geosystem Engineering, Seoul National Univ.) 류성호 (Newentec Environmental Services, Inc.) 권봉기 (Newentec Environmental Services, Inc.) 정태학 (School of Civil Urban & Geosystem Engineering, Seoul National Univ.)
저널정보
대한상하수도학회 상하수도학회지 상하수도학회지 제19권 제2호
발행연도
2005.1
수록면
117 - 124 (8page)

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초록· 키워드

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Appropriate removal of pollutants from combined sewer overflows(CSOs) and stormwater runoff is of primary concern to watershed managers trying to meet water quality standards even under a wet weather condition. Harmful substances associated with particles besides TSS and BOD are subjected to removal prior to discharge into the natural waters. Effectiveness of five major hydrodynamic separation technologies, Vortechs, Downstream Defender including Storm King for CSOs control, CDS, Stormceptor, and IHS, were evaluated in this study. There is not sufficient information for accurate evaluation of the removal efficiency for the pollutants from the stormwater runoff and CSOs. Based upon limited engineering data, however, all technologies were found to be effective in separation of heavy particles and floating solids. Technologies utilizing screens seem to have advantage in the treatment capacity than the other technologies relied fully on hydrodynamic behavior. The IHS system seems to have a strong potential in application for control of CSOs because of unique hydrodynamic behavior as well as a flexibility in opening size of the screens. Size of the particulate matter in the CSOs and stormwater runoff is found to be the most important parameter in selection of the type of the hydrodynamic separators. There exists an upper limit in the solids removal efficiency of a hydrodynamic separator, which is strongly dependent upon the particle size distribution of the CSOs and stormwater runoff.

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