Table 5. Comparison of rates of nutrients removal and COD reduction by duckweed from synthetic and dumpsite leachate.
| Test Conducted | Leachate Type | Nutrients removal rate (mg m-2 day-1) |
COD (g m-2 day-1) |
|||
|---|---|---|---|---|---|---|
| TKN | NH4-N | TP | o-PO43--P | |||
| Test 1 | Synthetic | 116.32±0.65 | 80.39±1.71 | 92.16±0.39 | 26.24±0.61 | 2.73±4.20 |
| Dumpsite | 152.12±0.72 | 133.71±0.87 | 109.24±1.05 | 38.78±0.45 | 3.31±5.81 | |
| Test 2 | Synthetic | 123.41±1.33 | 82.28±1.14 | 96.42±1.27 | 26.94±1.52 | 2.81±3.63 |
| Dumpsite | 157.52 ± 1.62 | 141.83±1.36 | 111.92±1.35 | 39.15 ±1.62 | 3.64±4.12 | |
| Test 3 | Synthetic | 126.83±1.45 | 86.19±1.72 | 101.93±1.41 | 28.47±1.44 | 2.96±2.87 |
| Dumpsite | 159.73 ± 0.98 | 149.38±1.59 | 119.08 ±0.78 | 42.07 ±1.71 | 3.81±3.63 | |