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Recently, as reinforced water quality standards for wastewater has been announced, more efficient and more powerful wastewater treatment processes are required rather than the existing activated sludge process. In order to meet this demands, we evaluate Task 1-4 about lab scale process using biofilm media. Task 1, 2, and 3 use `Module A` which has 4 partitions (Anoxic/Anerobic/Oxic/Oxic). Task 4 uses `Module B` which has 2 partitions including a denitrification reactor with an Inclined plug flow reactor (IPFR) and a nitrification reactor with biofilm media. The denitrification reactor of Module B is designed to be upward flow using IPFR. The result of evaluating at each Task has shown that attached growth system has better capacity of removal efficiency for organic matter and nitrogen with the exception of phosphorus. Task 4 which has the most outstanding removal efficiency has 90.5% of removal efficiency, 97.8% of removal efficiency, 65% of T-N removal efficiency and 92% of T-P removal efficiency with additional chemical phosphorus removal system operated at HRT 9hr, Qi:Qir 1:2, and BOD/T-N ratio 2.7.

The Study on Evaluating Performances of Lab Sacle-Advanced A2O with Changing System Using Biofilm Process

The Study on Evaluating Performances of Lab Sacle-Advanced A₂O with Changing System Using Biofilm Process