| No. | Adsorbent | pH | Dose (g/l) | Ci (mg/l) | % R | Qe (mg/g) | Contact time (min) | Ref. |
| 1 | Granular AC coated with MnO2 | 5.2 | 5.0 | 10 - 30 | - | 2.24 | 150 | [17] |
| 2 | Immobilized activated Alumina & Activated carbon | 7
| 10.0
| 0.5 - 12 | 95 84 | 0.76 0.47 | 60 90 | [23] |
| 3 | Granular AC & Domestic sewage sludge | 7
| 4.0 3.0 | 5.0 | 70 82 | - | 120 120 | [46] |
| 3 | KMnO4 modified AC from rice | 2 | 2.5 | 5 - 20 | ˃70 | 15.9 | 180 | [19] |
| 4 | Regenerated bone char | - | 6 - 25 | 21.26 | 70.64 | 0.75 | 60 | [2] |
| 5 | Bagasse AC, Saw dust AC & Wheat straw AC | 6
| 4.0
| 5.0 | 56.4 49.3 40.2 | 1.15 1.73 1.93 | 60 | [47] |
| 6 | Eichhornia Crassipes AC | 5.5 | 10 - 40 | 2 - 25 | 98.28 | 0.52 - 1.54 | 1440 | [48] |
| 7 | Zircon impregnated coconut shell AC | 4 | 10.0 | 10.0 | ˃90 | 0.9 - 0.99 | 720 | [49] |
| 8 | Banana peel AC & Coffee husk AC | 2
| 96.0 72.0 | 5 | 80 - 84 | 0.18 0.14 | 780 180 | [18] |
| 9 | Fish Swim Bladder Carbon | 6 | 5.0 | 1.5 - 13.5 | 82.7 | 1.43 | 50 |
|