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Research of Sludge Quantity and Evaluation of Sludge Handling Facilities in Water Treatment Plants  

Moon, Seong-Yong (경남대학교 토목환경공학부)
Kim, Seung-Hyun (경남대학교 토목환경공학부)
Publication Information
Journal of Korean Society of Water and Wastewater / v.18, no.3, 2004 , pp. 279-290 More about this Journal
Abstract
Sludge quantity has increased at "A"water treatment plant due to deterioration of raw water quality and GAC installation. Increased sludge resulted in overloading on sludge handling facilities. The object of this study is to survey sludge quantity and capacity of sludge handling facilities at "A"water treatment plant. Measured quantity of sedimentation sludge considerably exceeded the design capacity of sludge holding basin. Sludge holding basin was properly designed, but low concentration of sludge discharged from sedimentation basin caused production of large volume of the sludge. Timer operated control system for sludge withdrawal unit and leakage through a control valve were suspected to cause the low concentration. Augmentation of the control system by a turbidity meter and addition of a new control valve successfully reduced the sludge volume enough to satisfy the design capacity of sludge holding basin. Unlike sedimentation sludge, measured quantity of washwater was considerably less than the design capacity of washwater basin because it was over-designed.
Keywords
Sedimentation sludge; Washwater; Sludge audit; Leakage control;
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