Table 11.
Comparison of characteristics of the produced agro-waste-based porous carbon.
| AC | Activation method | Characteristics of activated carbon |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pH | Porosity (%) | CY (%) | FC (%) | MC (%) | AC (%) | VM (%) | BD (g/cm3) | Pzc | IN (mg/g) | SA (m2/g) | Reference | ||
| Noug stalk | Acid activation | 6.15 | 67.50 | 53.78 | 55.00 | 6.00 | 8.00 | 31.00 | 0.37 | 5.43 | 576.00 | 473.45 | This work |
| Corn cob | » | 6.20 | 48.80 | 55.70 | 24.80 | 10.50 | 1.50 | 78.20 | 0.28 | – | 528.00 | – | [50] |
| Coffee husk | » | 5.40 | 57.30 | 57.09 | 71.10 | 6.30 | 9.40 | 13.20 | 0.69 | – | 396.00 | – | [51] |
| Maize bran | » | – | 37.00 | – | 31.28 | 7.97 | 18.41 | 42.34 | 0.24 | – | – | 437.00 | [49] |
| Maize tassel | » | 6.90 | – | – | – | 0.30 | – | – | 0.52 | – | – | 250.00 | [8] |
| Canna Indica | » | – | – | – | 62.90 | 5.40 | 5.00 | 26.70 | – | – | 797.50 | – | [55] |
| Bamboo stem | » | 6.40 | – | – | 62.40 | 7.60 | 5.55 | 24.40 | 0.65 | – | – | – | [56] |
| Sunflower stalk | » | 5.30 | – | – | – | – | 10.40 | – | – | – | – | – | [10] |