| Summary: | Nowadays, rapid growths in the urbanization process have caused an environmental problem which is sewage generation. Untreated sewage will threaten aquatic life and destroy the aquatic ecosystem when it released without proper treatment. To address this problem, a system called wetland system enhanced with magnetic field can be used. The objectives of this study are to examine the capability of water hyacinth in Free Water Surface Constructed Wetland System enhanced with magnetic field in removing pollutants and to investigate the removal performance of pollutants in constructed wetland system enhanced with magnetic field. The wetland systems were planted with Eichhornia crassipes and sewage was applied in the constructed wetland with continuously flow onto the system. Three stages of experiments were conducted which was to identify the best number of plants, to determine the best flow rate, and to examine the best strength of magnetic field in removing phosphorus, nitrate, and TSS. Based on the experiment that has been carried out, the performance removal of the pollutants were recorded highest with 92% removal of phosphorus, 87% of nitrate and 98% of TSS when the system was applied with 20 numbers of water hyacinths, 1 mL/s flow rate, and 0.55 Tesla of magnetic strength. The study concluded that, constructed wetland enhanced with magnetic field could increase the pollutants removal in sewage.
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