Kinetic model | Parameters | 500 mg/L |
Pseudo-first-order model | k1 (g/mg min) | 8.08 × 10−3 |
qe (mg/g) | 158.11 | |
R2 | 0.8945 | |
Pseudo-second-order model | k 2 (g/mg min) | 3.23 × 10−4 |
qe (mg/g) | 993.13 | |
R2 | 0.9998 | |
Intra-particle diffusion model | kid1 (g/mg min1/2) | 152.047 |
C (mg/g) | 284.23 | |
R2 | 0.9793 | |
kid2 (g/mg min1/2) | 2.88 | |
C (mg/g) | 914.05 | |
R 2 | 0.7376 |