Strategy

Ammonium (mg -N/L)

Nitrite (mg -N/L)

Duration

Influent -N/-N ratio

S_1.1

77 ± 7

72 ± 12

1^st - 55^th day

0.93 ± 0.14

S_1.2

34 ± 2

33 ± 1

56^th - 89^th day

0.96 ± 0.08

S₂

32 ± 13¹

30 ± 18¹

90^th - 120^th day

0.89 ± 0.18

S₃

49 ± 13²

24 ± 9²

121^st - 179^th day

1.02 ± 0.02

S₄

67 ± 17

64 ± 19

180^th - 214^th day

0.95 ± 0.2

S_5.1

71 ± 4

84 ± 5

215^th - 287^th day

1.17 ± 0.1

S_5.2

140 ± 6

174 ± 8

288^th - 336^th day

1.24 ± 0.05

S_5.3

223 ± 8

281 ± 9

337^th - 434^th day

1.26 ± 0.05

S_5.4

285 ± 5

334 ± 14

435^th - 470^th day

1.17 ± 0.03

S_5.5

346 ± 7

456 ± 14

471^st - 546^th day

1.31 ± 0.02