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http://dx.doi.org/10.4491/KSEE.2014.36.10.711

Road Runoff Treatment using Pilot Scale-NPS Treatment Plant Filling up Expended Polypropylene Media  

Kim, Seogku (Environmental Engineering Research Division, Korea Institute of Civil Engineering and Building Technology)
Oh, Hyecheol (Environmental Engineering Research Division, Korea Institute of Civil Engineering and Building Technology)
Ahn, Jaehwan (Environmental Engineering Research Division, Korea Institute of Civil Engineering and Building Technology)
Publication Information
Journal of Korean Society of Environmental Engineers / v.36, no.10, 2014 , pp. 711-718 More about this Journal
Abstract
Investigated the processing characteristics of the pollutants and runoff due to storm events in the actual application of the road fields and a Non-Point Sources (NPS) pilot scale equipment. This phenomenon has occurred in the influent bypass the blockage occurs after 90 min the expended polymeric media was filled with filtered column. When entering a treatment tank SS 200 mg/L or more high concentration of effluent treatment efficiency was reduced from the reaction time 60 min. Influent concentration less then SS 180 mg/L was stable handling. The $COD_{Cr}/SS$ ratio were analyzed with 0.67, median value. Showed 92.1% and 82.3% respectively with an average removal rate of the SS and the $COD_{Cr}$. If the influent concentration of TP is the 0.5 mg/L or less, the quality of the treated water is 0.1 mg/L levels were expressed in a stable process. And when entering the 1.0 mg/L or more of the treated water, had a greater than average 0.2 mg/L. If the influent concentration of TN is 4~10 mg/L, the treatment water quality level was kept a 1.5~3.0 mg/L. The average removal efficiency of TP and TN respectively 73.9%, 50.4%.
Keywords
Road Runoff; Non-Point Sources (NPS); Expended Polypropylene Media (EPM); Pilot Scale;
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