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- 저자 : 이무욱(Mu Uk Lee) (검색결과 1 건)
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방사성 동위원소 추적자를 이용한 침전지내 플럭의 이동경로 추적실험
최계운(Gye Woon Choi),이무욱(Mu Uk Lee),김정현(Jeong Hyun Kim) 한국수처리학회 1997 한국수처리학회지 Vol.5 No.3
In this paper, the experiments for tracking the trajectories of the water and the floc in the sedimentation basin were conducted using radioactive tracer. The model was installed in the water treatment plant in which the total capacity was 280,000㎥/day including extra capacity of 30,000㎥/day which can be used for the water treatment plant. The result shows the velocity near the water surface elevation is faster compared to the others in the first half of the sedimentation basin. However, the velocity in the latter half in the sedimentation basin is increased by increasing the depth and then the velocity is decreased by approaching to the bottom. However, in the whole sedimentation basin it can be concluded that the velocity in the upper part is faster compared to that of the lower part. From the experiment for tracking the trajectory, by increasing the discharge in the basin the quantity of the floc to be settled down to the bottom is increased but the rate for removing the floc is decreased and finally in the case of the capacity of 2.0㎥/hr the floc of about one third of the peak value is remained in the water to the outlet weir. The moving velocity of the floc is not uniform in the sedimentation basin and the density of the floc near the area of the middle depth in the front part of the sedimentation basin is larger compared to the water surface or the bottom. However, by approaching to the outlet weir the difference of the density is decreased.
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