Table 1 Conditions in the MBBRs during the period of investigation.
| Â | Mainstream | Sidestream |
|---|---|---|
Reactor NH4+ (mg N L−1) | 10 ± 3.0 | 73 ± 24 |
Reactor NH3 – FA (mg N L−1) | 0.04 ± 0.02 | 0.6 ± 0.2 |
Reactor NO2− (mg N L−1) | 0.45 ± 0.09 | 4.6 ± 0.7 |
Reactor HNO2 – FNA (mg N L−1) | 9 ± 2·10−5 | 7 ± 1·10−4 |
Reactor NO3− (mg N L−1) | 3.2 ± 1.1 | 140 ± 28 |
Temperature (°C) | 15 ± 1.4 | 25 ± 2.2 |
Dissolved Oxygen (mg L−1) | 2.0 ± 0.2 | 1.3 ± 0.7 |