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http://dx.doi.org/10.4491/KSEE.2014.36.5.333

Evaluation of Stored Rainwater Quality and Economic Efficiency at Yangdo Elementary Rainwater Harvesting System  

Kim, Kiyoung (Department of civil and Environmental Engineering, Seoul National University)
Park, Hyunju (Engineering Institute, Seoul National University)
Kim, Tschungil (Integrated Research Institute of Construction and Environmental Engineering, Seoul National University)
Han, Mooyoung (Department of civil and Environmental Engineering, Seoul National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.36, no.5, 2014 , pp. 333-341 More about this Journal
Abstract
To supply substitution water, $2m^3$ of capacity of rainwater harvesting system is designed calculating rainfall, catchment area and LPCD and has a effects to 34.4% of substitution water supply and 237 days of service day. Rainwater of drinking water quality was judged to be suitable except for bacteria problem, however, groundwater is exceeded in nitrate nitrogen, the evaporation residue and also bacteria, which means that the rainwater is suitable for use as water supply. In addition, to consider cost-benefit ratio, economic analysis conducted. The result is that B/C ratio of RWHS (10 years) is 1.70. It means total benefit is bigger than cost. Except to social factor in this study, there are a variety of benefit such as flood or drought prevention, educational effects inspiring water conservation awareness.
Keywords
Rainwater Harvesting; Test-bed; Island Area; Economic Analysis;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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