Table 3 Kinetic parameters for Tl(I) adsorption on the TiO2I and TiO2II fitted with the pseudo first order and pseudo second order models.
Adsorbent | Pseudo first order model | Pseudo second order model | ||||
---|---|---|---|---|---|---|
qe (mg g−1) | k1 (h−1) | R2 | qe (mg g−1) | K2 (g mg−1 h−1) | R2 | |
TiO2I | 152.5 | 8.93 | 0.910 | 163.9 | 0.102 | 0.995 |
TiO2II | 134.8 | 9.93 | 0.991 | 153.6 | 0.079 | 0.998 |