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논문 기본 정보

자료유형
학술저널
저자정보
김태윤 (부산대학교 사회환경시스템공학부 토목공학과) 이준배 (부산대학교 사회환경시스템공학부 토목공학과) 이동우 (부산대학교 사회환경시스템공학부 토목공학과) 신현석 (부산대학교 사회환경시스템공학부 토목공학과) 김현철 ([주] 동인) 권순철 (부산대학교 사회환경시스템공학부 토목공학과)
저널정보
한국물환경학회 한국물환경학회지 한국물환경학회지 제33권 제5호
발행연도
2017.1
수록면
572 - 579 (8page)

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초록· 키워드

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Increased impervious surface caused by rapid urbanization serves to produce the discharge of non-point source pollutants such as total suspended solid (TSS). There exist various methods of removing TSS, including a filtration process using granular media (a well-known method to be practically used after the consideration of removal efficiency, clogging, and backwashing efficiency). To determine the TSS removal capability of the filter, we initially performed lab-scale experiments which assessed flow rates, influent concentrations, permeability co-efficients, the particular shapes of suspended solids and potential clogging, and also evaluated TSS removal efficiency when applied to filtration facility in a pilot-scale. In low filtration flux condition, the removal efficiency of suspended solids was more than 95 %, while decreased to 83% in high filtration flux. Regarding the clogging aspect of the experiment, total cumulative solids were loaded up to $19.15kg/m^2$, and TSS removal efficiency was noted to commence to decrease when the loaded solids exceeded $9.0kg/m^2$. It was also noted, however, that superior efficiency was maintained for six hours. In addition, for pilot-scale experiment, the removal efficiency was still high enough (83.4 %) for the solid concentration of 140 ~ 343 mg SS/L and after backwashing, head loss was recovered to 92 ~ 95 % during two hour filtration. With these results, It was confirmed that lifetime of the filter applied to the test was prolonged due to the high treatment efficiency and good backwashing efficiency for the cumulative solids load.

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