Table 1 The efficiency of selected biological processes performed in MBSBBR in the study (average ± standard deviation (number of samples))
series | Organic compounds removal (COD), % | Nitrification efficiency, % | Denitrification efficiency, % | Biological phosphorus removal efficiency, % |
|---|---|---|---|---|
A1 | 96.7 ± 0.9 (13) | 92.6 ± 5.3 (13) | 87.3 ± 4.6 (13) | 68.1 ± 6.5 (13) |
A2 | 95.7 ± 0.8 (14) | 94.9 ± 2.3 (14) | 88.5 ± 3.3 (14) | 85.8 ± 14.4 (14) |
A3 | 96.2 ± 1.0 (18) | 92.6 ± 5.3 (18) | 91.1 ± 1.8 (18) | 98.8 ± 1.3 (18) |
A4 | 96.3 ± 0.7 (15) | 95.7 ± 1.6 (15) | 85.4 ± 2.4 (15) | 97.8 ± 3.2 (15) |