| Cu(II) | |||
| Time (min) | Initial concentration (Co) (mg/L) | Ce (mg/L) | % Removal |
| 5 | 20 | 14.77 | 26.15 |
| 10 | 20 | 13.79 | 31.05 |
| 15 | 20 | 12.49 | 37.55 |
| 20 | 20 | 11.14 | 44.30 |
| 25 | 20 | 9.31 | 53.45 |
| 30 | 20 | 7.01 | 64.95 |
| 35 | 20 | 5.69 | 71.55 |
| 40 | 20 | 5.69 | 71.55 |
| 45 | 20 | 5.69 | 71.55 |
| 50 | 20 | 5.69 | 71.55 |
| 55 | 20 | 5.69 | 71.55 |
| 60 | 20 | 5.69 | 71.55 |