Table 6 Removal rate of nitrogen and phosphorus at different time intervals.
S. no. | Effluents | Phosphorus (mg/L) | Nitrogen (mg/L) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
12 h | 24 h | 48 h | 72 h | 96 h | 120 h | 12 h | 24 h | 48 h | 72 h | 96 h | 120 h | |||
1 | Untreated effluent | Treatment by BK1 | 2450 ± 10 | 2081 ± 9.5 | 1150 ± 7.9 | 500 ± 8.6 | 180 ± 6.2 | 10 ± 5 | 3802 ± 4.7 | 2511 ± 5.9 | 1526 ± 11 | 623 ± 8 | 120 ± 6.8 | 5 ± 2 |
Treatment by BK2 | 2415 ± 8.2 | 1925 ± 6.8 | 1432 ± 9.1 | 925 ± 7.3 | 312 ± 5.8 | 7 ± 3 | 3795 ± 6.8 | 2698 ± 7.4 | 1753 ± 9.4 | 853 ± 5 | 352 ± 6.2 | 5 ± 3 | ||
2 | Treated effluent | Treatment by BK1 | 3500 ± 9.4 | 2602 ± 10.3 | 1715 ± 7.2 | 822 ± 6 | 132 ± 7.1 | 5 ± 3 | 2816 ± 9.2 | 2210 ± 6.5 | 1628 ± 8 | 1011 ± 4.3 | 405 ± 9 | 6 ± 2 |
Treatment by BK2 | 3826 ± 10.7 | 3121 ± 8.4 | 2238 ± 6.5 | 1640 ± 8.3 | 740 ± 5.4 | 200 ± 10 | 2915 ± 7.6 | 2183 ± 3.9 | 1784 ± 6.5 | 1180 ± 4.2 | 980 ± 5.5 | 610 ± 10 | ||
