| pseudo-first order model | pseudo-second order model | |||||||
C0 (mg/L) | qe (exp) | k1 (min−1) | qe (cal) (mg/g) | Δq | R2 | k2 (g·mg−1·min−1) | qe (cal) (mg/g) | Δq | R2 |
50 | 2.37 | 0.0258 | 0.59 | 1.78 | 0.9884 | 0.1167 | 2.46 | 0.09 | 0.9996 |
100 | 6.09 | 0.0706 | 0.77 | 5.3 | 0.9728 | 0.0223 | 6.22 | 0.13 | 0.9999 |
300 | 24.18 | 0.0244 | 5.2 | 18.98 | 0.8854 | 0.0143 | 24.69 | 0.51 | 0.9997 |
500 | 31.73 | 0.0116 | 9.4 | 23.33 | 0.9265 | 0.0037 | 34.12 | 2.39 | 0.9952 |