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Table 1 Nitrate, nitrite and acetate concentrations in the influent as used in the different experimental periods

From: Role of nitrite in the competition between denitrification and DNRA in a chemostat enrichment culture

Days

Concentration in the influent (mM)

N % as nitrite

Nitrate

Nitrite

Acetate

0–32

11.8

0.00

22.1

0

33–60

8.83

2.62

22.1

23

61–82

5.88

5.23

20.2

47

83–123

2.94

7.85

16.5

73

124–165

0.00

11.8

14.7

100