| Surfactant | Virgin activated carbon | Pre-treated activated carbon | Modified activated carbon | References | |||
| BET specific surface area (m2/g) | Micropore volume (cm3/g) | BET specific surface area (m2/g) | Micro pore volume (cm3/g) | BET specific surface area (m2/g) | Micropore volume (cm3/g) | ||
| CTAB | 888 | 0.376 | 901a | 0.400b | 722c | 0.310d | Mazarji et al. [27] |
| SDBS | 158.1 | 0.0804 | 185.07e | 0.0937f | 131.4g | 0.0729h | Sun et al. [24] |
| CTABr | 1407 | - | - | - | 608.9 | - | Allalou et al. [28] |
| CPC | 822.7 | - | - | - | 608.9 | - | Farooq et al. [22] |
| CTAB | 822.7 | - | - | - | 600.1 | - | Farooq et al. [22] |
| CTAC | 822.7 | - | - | - | 571.3 | - | Farooq et al. [22] |