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The performance of the slow sand filter was examined using the landscape water with the experimental period of 46 days. The filter installed was similar to the traditional slow sand filter; expect that the top 5-cm sand was changed to the quartz sand. In this study, the variations of the turbidity, COD, BOD and TN were measured based on the filtration rate of 0.2m/h. Results showed that the average...
The treatment performances of capillary infiltration system fed by municipal wastewater were investigated in this paper. The composite fillers were constructed in capillary infiltration system to reach the prospective treatment effects. Compared to the single filler, composite filler promoted the ventilating condition and improved the distribution situation. The higher treatment efficiencies of NH...
The study on degradation of domestic wastewater by the cinder infiltration columns was given in this paper. Four cinder infiltration columns were constructed, including two sorts of different filler altitudes and two sorts of different grain size fillers. According to the experiment, results indicated that the NH4+-N,COD,TP and SS removal efficiencies of all the four devices were excellent, the removal...
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