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A continuous anaerobic–aerobic–anoxic (AOA) process was established to remove nutrients from domestic wastewater without the addition of external carbon source. The AOA process was based on an enhanced biological phosphorous removal (EBPR) system with influent COD, NH4+–N and PO43-–P concentrations of 300, 50 and 3.8mg/L, respectively. Nitrogen and phosphorous were removed simultaneously driven by...
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