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Treatment of Mixed Sewage-septage Wastewater Using Lab-scaled Integrated Fixed Film Activated Sludge Process

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INTERNATIONAL JOURNAL FOR INNOVATIVE RESEARCH IN MULTIDISCIPLINARY FIELD, 4 (7): 1-7 (2018)

Аннотация

In this research, the mixed sewage-septage wastewater (MSSW) was treated using appropriate lab-scaled biological treatment system that is Integrated Fixed Film Activated Sludge (IFAS) process. The fabious media was used as the bio-carriers in this activated sludge process. The oxygen was supplied at the rate of 8 m3/day for the aeration process. This study was performed from December 2016 to July 2017. Depending on the results obtained from the experiments, the Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD) and Total Suspended Solids (TSS) concentration of MSSW could be reduced with the treatment efficiency varied from 87.1% to 98.8%, 85.3% to 98.8% and 96.6% to 99.8%, respectively. For all considered parameters to be reduced in this research, the optimum treatment efficiency was obtained at the experiment conducted at the 181 days after acclimatization for aerobic microbes in the IFAS process with the around 98.6% of BOD removal efficiency, around 98.1% of COD removal efficiency and around 99.8% of TSS removal efficiency.

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