Table 4 Kinetic parameters for COD adsorption onto HA–nCaO derived from model fitting.
Model | k (Rate Constant) | qe, calc (mg/g) | q e, exp (mg/g) | R² |
|---|---|---|---|---|
Pseudo-First-Order | 0.0231 min⁻¹ | 339.5 | 416.3 | 0.872 |
Pseudo-Second-Order | 6.18 × 10⁻⁵ g/mg·min | 402.3 | 416.3 | 0.991 |
