Abstract
Construction, vehicular traffic and maintenance of highway surfaces are sources of pollutants, which accumulate on highway surfaces and other roadside areas. During rainfall runoff events these pollutants are washed from these surfaces and flow to surface and subsurface waters. This research is a study to assess the ability of a constructed filter drain as one of Sustainable Urban Drainage Systems (SUDS) in removing suspended solids, petroleum hydrocarbons, metals in the form of Copper and Zinc and polycyclic aromatic hydrocarbons were used for the present study from urban runoff. The constructed filter drain was successful in controlling, attenuating and treating runoff containing pollutant loadings of (sediments, petroleum hydrocarbons, metals and polycyclic aromatic hydrocarbons). For the eight stimulated test runs, the average removal rate of the builder's sand as sediments was 97%. The average total petroleum hydrocarbon removing rate was 97 .8%. The mean copper (Cu) and zinc (Zn) removing rate was 82% and 92% respectively. The average removing rate of polycyclic aromatic hydrocarbons
Highlights
Construction, vehicuJar traffi c and maintenance of highway surfaces are sources of pollutants, which accumulate on highway su rfaces and other roadside areas
The estimated vo lume o f water appl ied was 1000 liter, but the results show an effi uent volwne of about 44 .55 liters
Investigati ons carried. out in this research are for studying the performance of the constructed filter drain for the control of urban runoff
Summary
Construction, vehicuJar traffi c and maintenance of highway surfaces are sources of pollutants, which accumulate on highway su rfaces and other roadside areas. The constructed filter drain was successnli in controlling, attenuati ng and treating runoff cOlltaining pollutant loadings of (sediments, petrolewn hydrocrubons, metals and polycycl ic aromatk hydrocarbons). Untroduction: Because pollutants from urban areas are washed into watercow-ses or groWld water, water quality become an important issue. It is difficult for traditional drainage sys tems to remove pollutants and to contro l poor runoff qUality. The main objecti ves of thjs s tudy to investigate the performance of the constructed filter dra in in tenus of treatment efficiency for removal of sediments, total hydrocarbon (TPH), polycyclic aromatic hydrocarbons (P AHs) and metal s such as zi nc and co pper from stimulated rainfall events. 2.l Location of Study Site: The study was carried out at a secure outdoor site located on Sconish walerowned land. at riverside drive at Dundee "
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