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http://dx.doi.org/10.4491/KSEE.2014.36.3.178

The Flow and Water Quality Estimation of CSOs Using EC Data and Civil Engineering Research Model  

Choi, Wonsuk (N4TECDS CO., LTD.)
Chung, Chulkwon (Nasstech Engineering Consultants)
Nam, Jungyoon (Nasstech Engineering Consultants)
Koo, Wonseok (N4TECDS CO., LTD.)
Jung, Kwangsu (N4TECDS CO., LTD.)
Publication Information
Journal of Korean Society of Environmental Engineers / v.36, no.3, 2014 , pp. 178-184 More about this Journal
Abstract
In this study, monitoring method which is more economic and easier in maintenance comparing to existing monitoring system was scrutinized for application to sewer intercepting chamber of 10.2 ha basin area by estimating CSOs (Combined Sewer Overflows) quantity and quality with 2 rainfall events using electrical conductivity data and civil research model. The result showed that determination coefficient of flow estimation by EC (Electrical Conductivity) dilution ratio and observed data was over 0.86 for all cases and the accuracy of estimation was improved from 0.5 to 0.8 for determination coefficient ($R^2$) and from 54.1% to 68.5% for accumulation frequency of relative error by considering antecedent dry days and rainfall duration. CSOs water quality estimation results by civil research model showed that determination coefficients were 0.64~0.97 for BOD and 0.70~0.95 for SS.
Keywords
Combined Sewer Overflows (CSOs); Monitoring Method; Electrical Conductivity (EC); First Flush Effect;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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