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Table 1 The main information of 8 WWTPs

From: Occurrence and removal of illicit drugs in different wastewater treatment plants with different treatment techniques

 TNQ-1TNQ-2XBQ-1XBQ-2XBQ-3WJQ-1JTQ-1LYS-1
Treatment processSBR processSBR processA2OA/OA2OA/OA2OA2O
Average water intake (m3/d)15,00025,000160,000300080,00025,00035,00070,000
People (million)0.080.300.300.010.150.130.250.65
Influent characteristics
 COD (mg/L)11237802551185260971265247
 N (mg/L)21.4618.7436.18831.5412.33539.62
 P (mg/L)4.652.084.414.463.023.426.95
 NH4 (mg/L)21.4618.74238827.312.33028
Effluent characteristics
 COD (mg/L)1781504151.332.8603341
 N (mg/L)5.434.178.7824.78.26210.898.83
 P (mg/L)1.690.950.150.110.490.250.17
 NH4 (mg/L)5.434.17224.72222