The present invention relates to an advanced treatment apparatus for removing phosphorus through contaminated water in the first and second tanks, the combined reaction tank, and the combined functional tank, wherein the anoxic tank in which the denitrification reaction is carried out in an anoxic state, and the treated water treated in the anoxic tank are dropped. An anaerobic tank composed of an anaerobic tank and a discharge passage for discharging the sludge formed in the anaerobic tank to the outside, the sludge generated in the complex reaction tank is transported to the anaerobic concentration tank to release phosphorus in the microorganism by decomposition of organic matter by the microorganism, Is mounted in the anaerobic condensation tank to agitate the sludge inside with a rotary blade so that the anaerobic reaction occurs evenly, mounted in the anaerobic condensation tank to adjust the operating time of the stirrer and the resulting sludge and supernatant treated water Timer, the mixed reaction with externally introduced contaminated water No. 2 tank and microorganism in which sludge returned from the inflow is introduced to provide a carbon source for denitrification reaction, contaminated water from outside and sludge discharged from the anaerobic concentration tank are reflowed to cause dephosphorization reaction by microorganism. A composite functional tank equipped with an aerobic biofilm media attached to remove phosphorus to remove trace amounts of phosphorus contained in the treated water that has passed through the second reactor and the complex reaction tank; It includes. ; Dephosphorization, Phosphorus, Advanced Treatment, Phostrip, Biofilm Media, Endogenous Dephosphorization
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