Table 3 Fitting parameters of adsorption kinetics for MB by different activated biochar
From: Removal of methylene blue by porous biochar obtained by KOH activation from bamboo biochar
Sample | Pseudo-first-order model | Pseudo-second-order model | ||||
|---|---|---|---|---|---|---|
qe (mg/g) | K1 (min−1) | R2 | qe (mg/g) | K2 (g/(mg·min)) | R2 | |
KBBC-700 | 30.49 | 0.058 | 0.969 | 31.54 | 0.009 | 0.999 |
KBBC-800 | 33.70 | 0.064 | 0.940 | 34.76 | 0.009 | 0.999 |
KBBC-900 | 48.14 | 0.179 | 0.999 | 48.29 | 0.0069 | 0.999 |