Table 2 Adsorption parameters of kinetic models for pseudo first order and pseudo second order for the adsorption of RB-21 onto MMCC
Initial Concentration (mg L−1) | Pseudo First Order | Pseudo Second Order | ||||
|---|---|---|---|---|---|---|
qe (mg g−1) | k1 (min−1) | R2 | qe (mg g− 1) | k2 (g− 1 mg min) | R2 | |
40 | 1.15 | 0.10 | 0.856 | 8.06 | 0.13 | 0.993 |
60 | 1.35 | 0.30 | 0.812 | 12.0 | 0.083 | 0.99 |
80 | 1.29 | 0.25 | 0.839 | 15.9 | 0.063 | 0.988 |
100 | 1.39 | 0.33 | 0.806 | 20.0 | 0.051 | 0.984 |
120 | 1.52 | 0.42 | 0.910 | 19.6 | 0.051 | 0.994 |