Table 2.
Summary of the recent studies performed on MB removal using fruit peels and their activated forms.
| Adsorbent peels | qm, mg/g | pH/T/PS* | Reference |
|---|---|---|---|
| Untreated FBP | 140 | 5.8/27/0.25-2 | This work |
| Untreated orange peel | 24.0 | 7.2/30/ <5 | 45 |
| Untreated banana peel | 18.0 | 7.2/30/ <5 | 45 |
| Untreated dragon fruit peels | 62.6 | 7/30/− | 46 |
| Untreated pineapple peels | 97.1 | 6/30/0.355-0.5 | 22 |
| Untreated cucumber peels | 111.1 | 7/20/0.500 | 47 |
| Untreated melon peels | 333.3 | −/25/0.5-1 | 48 |
| Untreated oak acorn peel | 120.4 | 7/24/0.5 | 49 |
| Untreated potato peels | 33.8 | 8/20/0.020 | 50 |
| Untreated potato peels | 105.2 | 7/25/0.5–1.25 | 51 |
| Untreated Pomelo peels powder | 133 | 30/8/− | 52 |
| Oven dried Artocarpus camansi peels | 409 | 6/25/0.355–0.850 | 33 |
| NaOH-activated banana peels | 19.7 | 5/20/0.315 | 34 |
| NaOH – treated rambutan peel | 231.3 | −/30/− | 53 |
| Activated jackfruit peel (AC**) (NaOH / microwave heating) | 400 | −/30/1–2 | 35 |
| Pomelo skin (AC) (NaOH/microwave heating) | 501.1 | 12/30/1–2 | 36 |
| Mangosteen peel waste (AC) (ZnCl2/high temperature activation) | 1193 | 9/25/− | 13 |
*T: temperature (°C), PS: particle size in mm.
**AC: activated carbon.