Parameters patterns

min

Intermittent aeration

50/40 min

40/50

[NH4-N]effluent (mg/L)

3.3

4.5

[NO2-N]effluent (mg/L)

2.3 × 102

1.3 × 102

[NO3-N]effluent (mg/L)

2.3

2.0

Nitrification efficiency (%)

99.3

99.1

Nitritation rate (%)

99.0

98.6

TN removal rate (%)

52.9

71.5