Serial No.

1

2

3

Influent’s ammonia-N sludge loading rate (kg/m³·d)

0.05

0.08

0.10

Effluents ammonia-N concentration (mg/L)

16

28

38

Ammonia-N removal rate (%)

70

67

62

Influent TN’s sludge loading rate (kg/m³·d)

0.05

0.08

0.10

Effluents TN concentration (mg/L)

17

30

40

TN removal rate (%)

69

66

61

Influent COD sludge loading rate (kg/m³·d)

0.5

0.5

0.5

Effluent COD concentration (mg/L)

40

37

38

COD removal rate (%)

92

93

92