Adsorbent | SBETa (m2 g−1) | Pore diameter (nm) | Pore volume (cm3 g−1) | pHpzcb | qe (mg g−1)c | Dye | Reference |
---|---|---|---|---|---|---|---|
WBd | 3.4 | 0.61 | 0.008 | 4.5 | 23.6 ± 0.4 | AB161 | This work |
NWBe | 22.6 | 0.59 | 0.040 |  | 30.5 ± 0.8 | AB161 | This work |
KWBf | 50.4 | 1.90 | 0.081 |  | 46.7 ± 0.4 | AB161 | This work |
Cattle hair biomass waste | 0.9 | 2.91 | 0.0007 | 6.5 | 104.8 | AB161 | Mella et al. (2017) |
Microalgae biomass | 3.5 | 6.63 | 0.008 | 4.2 | 75.8 | AB161 | da Fontoura et al. (2017) |
T. villosa biomass | 1.3 | 3.76 | 0.001 | 2.2 | 221.6 | AB161 | Puchana-Rosero et al. (2017) |
Fe2O3-impregnated pulp and paper sludge biochar | 174 | 1.70–300 | 3.5 | 2.1 | 22.0 | Methyl orange | Chaukura et al. (2017) |
5Al-coated black willow wood biochar | 27.9 | – | 0.024 | – | 35.0 | Methylene blue | Wang et al. (2017) |
Wood-chip biochar |  < 0.01 | 2597 | – | – | 110.0 | Congo red | Sewu et al. (2017) |
– | 195.6 | Cristal violet | |||||
Pecan nutshell biochar | 93 | 1.20 | 0.0055 | – | 130 | Reactive Red 141 | Zazycki et al. (2018) |
Algae biochar | 167.0 | – | – | – | 51.3 | Congo red | Nautiyal et al. (2016) |