Table 1 Statistical Summary of data collected from WWTP

Inlet Flow Rate (m³/h)

134,543.742

65,859.891

86,904.315

13,295.581

External Reflux Flow Rate (m³/h)

95,552

36,062

66,738.44

8521.644

Inlet COD (mg/L)

532

202

328.82

58.947

Inlet TN (mg/L)

43.88

20.82

29.604

4.823

Inlet TP (mg/L)

4.1

1.32

3.005

0.552

Outlet COD (mg/L)

45.4

28.4

37.244

3.776

Outlet TN (mg/L)

9.58

6.1

7.736

0.803

Outlet TP (mg/L)

0.16

0.04

0.1

0.027