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Fitting parameters of ammonium adsorption kinetics.
| Adsorbents | Intraparticle diffusion model | Pseudo-first-order kinetic model | Pseudo-second-order kinetic model | ||||||
|---|---|---|---|---|---|---|---|---|---|
| C | k1 (mg·g−1·min−0.5) | R2 | qe (mg·g−1) | K2 min−1 | R2 | qe (mg·g−1) | K3 (mg·g−1·min−1) | R2 | |
| SSB300 | 0.9830 | 0.0786 | 0.8718 | 3.1786 | 0.0121 | 0.9218 | 3.5529 | 0.0042 | 0.9733 |
| SS | 0.1960 | 0.0059 | 0.8490 | 0.3416 | 0.0329 | 0.8758 | 0.3694 | 0.1208 | 0.9526 |
