The pseudo-first-order and pseudo-second-order model constants and correlation coefficients using LC and LC0 for P removal at different initial P concentrations
| Adsorbents . | Initial concentration C0 (mg P/L) . | Pseudo-first-order . | Pseudo-second-order . | ||||
|---|---|---|---|---|---|---|---|
| k1 (1/h) . | qe (mg/g) . | R2 . | k2 (g/mg·h) . | qe (mg/g) . | R2 . | ||
| LC0 | 20 | 0.390 | 75.9 | 0.9559 | 0.010 | 103.4 | 0.9986 |
| 50 | 0.337 | 76.4 | 0.9465 | 0.010 | 112.5 | 0.9997 | |
| LC | 20 | 0.532 | 9.6 | 0.7278 | 0.392 | 100.1 | 0.9999 |
| 50 | 0.473 | 13.9 | 0.9389 | 0.299 | 113.1 | 0.9999 | |
| Adsorbents . | Initial concentration C0 (mg P/L) . | Pseudo-first-order . | Pseudo-second-order . | ||||
|---|---|---|---|---|---|---|---|
| k1 (1/h) . | qe (mg/g) . | R2 . | k2 (g/mg·h) . | qe (mg/g) . | R2 . | ||
| LC0 | 20 | 0.390 | 75.9 | 0.9559 | 0.010 | 103.4 | 0.9986 |
| 50 | 0.337 | 76.4 | 0.9465 | 0.010 | 112.5 | 0.9997 | |
| LC | 20 | 0.532 | 9.6 | 0.7278 | 0.392 | 100.1 | 0.9999 |
| 50 | 0.473 | 13.9 | 0.9389 | 0.299 | 113.1 | 0.9999 | |