Research Article
Comparison of Simultaneous Nitrification and Denitrification for Three Different Reactors
Table 3
Summary of reactors performance.
| Parameters | Suspended sludge reactor (SSR) | Entrapped sludge reactor (ESR) | Mixed sludge reactor (MSR) |
| Nitrogen removal efficiency (%) | 64.7 | 98.3 | 45.1 | Effluent NH4-N (mg/L) | 0.0 | 0.0 | 0.1 | Effluent NO2-N (mg/L) | 0.0 | 0.6 | 1.6 | Effluent NO3-N (mg/L) | 15.0 | 0.1 | 20.2 | Nitrification rate (mg/L-min) | 0.2 | 0.3 | 0.2 | Denitrification rate (mg/L-min) | 1.8 | 0.1 | 0.05 | Internal carbon consumption | No | Yes | No |
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