Table 3.
Recent studies on dye removal by various biomass-derived biochar.
| Biomass | Pyrolysis Condition Temperature |
Dyes | Dye Concentration, mg/L | Biochar Dosages, g/L | Max. Removal Efficiency | Contact Time, min | pH | References |
|---|---|---|---|---|---|---|---|---|
| Walnut | 700 | RBB | 200 | 5 | 65 | 720 | 2 | [20] |
| Swege sludge | 450 | RBB | 30 | 100 | 67 | 20 | 10 | [49] |
| Orange Peels | 800 | MB | 10 | 10 | 99 | 30 | 7 | [50] |
| Jack fruit peel (Activated) | 550 | RBB | 25 | 1 | 90 | 420 | 4 | [51] |
| Nutmeg seed shells | 500 | RBB | 52.5 | 3 | 93.7 | 110 | 12 | [48] |
| Green pea peels | 700 | CR | 100 | 1 | 40 | 90 | 7 | [22] |
| Peanut shell | 900 | RBB | 25 | 8.3 | 100 | 30 | 6.5 | Current study |