Parameters | Unit | SS alone | SS:AW ratio | |
4:1 | 3:2 | |||
pH |
| 7.93 ± 0.106 | 7.67 ± 0.230 | 7.4 ± 0.004 |
TS | mg/l | 25,965 ± 1025 | 21,592.2 ± 451.7 | 18,880.6 ± 123.5 |
VS | mg/l | 18,389.2 ± 1614.27 | 14,594.6 ± 1307 | 11,460.9 ± 605.32 |
COD | mg/l | 10,891.6 ± 674.16 | 8172.9 ± 827.13 | 7228.1 ± 214.6 |
BOD5 | mg/l | 2898 ± 234.34 | 2581.26 ± 267 | 2275.8 ± 513.26 |
TN | mg/l | 46.6 ± 6.82 | 62.6 ± 0.062 | 65.87 ± 0.023 |
TP | mg/l | 68.6 ± 4.65 | 63.8 ± 0.042 | 76.349 ± 0.082 |
TK | mg/l | 111.4 ± 8.67 | 69.2 ± 0.026 | 68.1 ± 0.034 |
Ascaris | No/l | 18,000 - 39,000 | 14,000 - 32,000 | 10,000 - 26,000 |
Hook worm | No/l | 0 - 3800 | 0 - 2400 | Nil |
Cu | mg/l | 0.1602 ± 0.068 | <0.0001 | <0.0001 |
Ni | mg/l | 0.0786 ± 0.084 | 0.0920 ± 0.018 | 0.1863 ± 0.048 |
Cr | mg/l | 0.0139 ± 0.023 | <0.0001 | <0.0001 |
Pb | mg/l | 0.0892 ± 0.056 | 0.0356 ± 0.023 | <0.0001 |
Cd | mg/l | <0.0001 | <0.0001 | <0.0001 |
Zn | mg/l | 0.748 ± 0.067 | 0.6627 ± 0.030 | 0.5777 ± 0.031 |
TC | MPN/100 ml | 32 × 104 | 12 × 104 | 6 × 104 |
FC | MPN/100 ml | 14 ×104 | 7 × 104 | 2 × 104 |