Table 3.
Concentration (mg/L) | Kinetic models | |
---|---|---|
20 | Pseudo 1st order: | |
K1 (min−1) | 0.056 | |
qm (mg/g) | 9.95 | |
R2 | 0.982 | |
| ||
40 | Pseudo 1st order: | |
K1 (min−1) | 0.044 | |
qm (mg/g) | 12.53 | |
R2 | 0.993 | |
| ||
20 | Pseudo 2nd order: | |
K2 (gmg−1min−1) | 0.026 | |
qm (mg/g) | 18.11 | |
R2 | 0.973 | |
| ||
40 | Pseudo 2nd order: | |
K2 (gmg−1min−1) | 0.025 | |
qm (mg/g) | 16.25 | |
R2 | 0.995 | |
| ||
20 | Intraparticle diffusion model: | |
Kdiff | 1.80 | |
C | 3.70 | |
R2 | 0.943 | |
| ||
40 | Intraparticle diffusion model: | |
Kdiff | 1.522 | |
C | 1.60 | |
R2 | 0.943 |