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The Application Plans of Slag to Prevent Non-point Source Pollutants Flowing into the Retention Pond  

Park, Jung-Hwan (인하공업전문대학 화공환경과)
Kim, Jin-Han (인천대학교 도시환경공학부)
Jung, Jong-Tai (인천대학교 도시환경공학부)
Jun, Se-Jin (가람환경기술(주))
Park, Han-Bong (가람환경기술(주))
Publication Information
Journal of Wetlands Research / v.12, no.2, 2010 , pp. 67-73 More about this Journal
Abstract
This study was performed to figure out what would be effective to maintain good water quality in the retention pond which was badly polluted before. In order to keep the good water quality of the retention pond it is necessary to prevent outer non-point source pollutants from flowing into the pond. In this study, we proposed to use porous slag as a blockage of the inflow into the pond from external non-point sources. We experimented with porous slag nets to see how the water is effected. With the results of the experiments, we found out there is a close correlation($r^2=0.9765$) between contact time and the removal rate of phosphorus, therefore we can conclude that contact time affects removal rate greatly. Synthetic wastewater, activated sludge effluent, and sewage were passed through a porous slag packed bed, both phosphorus and the suspended solid in water were removed highly. With the results of these tests, we proposed to set up a porous slag packed bed inside of the retention pond and revetment to prevent external non-point source pollutants flowing into the retention pond.
Keywords
Retention pond; Non-point source; Slag;
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