Research Article
A Study on Astrazon Black AFDL Dye Adsorption onto Vietnamese Diatomite
Table 6
Kinetic parameters of pseudo-first- and second-order kinetic model.
| Initial conc. (mg L−1) | Pseudo-first-order kinetic model | Pseudo-second-order kinetic model | (min−1) | | (mg g−1) | (mg g−1 min−1) | | (mg g−1) | (mg g−1) |
| 150 | 1.620 | 0.252 | 66.99 | 0.041 | 0.999 | 69.10 | 71.2 | 200 | 1.040 | 0.487 | 87.69 | 0.020 | 0.980 | 91.10 | 93.0 | 300 | 1.370 | 0.133 | 109.63 | 0.016 | 0.994 | 114.86 | 133.2 | 400 | 1.130 | 0.389 | 124.07 | 0.014 | 0.811 | 130.78 | 136.6 | 600 | 0.790 | 0.990 | 124.08 | 0.009 | 0.804 | 132.72 | 140.0 | 800 | 0.943 | 0.995 | 133.69 | 0.012 | 0.875 | 140.32 | 141.1 | 900 | 1.100 | 0.996 | 124.60 | 0.015 | 0.871 | 130.39 | 135.2 |
|
|