Table 4 The kinetic models parameters for phosphate adsorption on the RGO-Zr at pH 5.00 ± 0.20 and 298 K.
From: Adsorption of phosphate in water using one-step synthesized zirconium-loaded reduced graphene oxide
C0 (mg/L) | qe,exp (mg/g) | Pseudo-first-order kinetic model | Pseudo-second-order kinetic model | ||||
|---|---|---|---|---|---|---|---|
qe,cal (mg/g) | k1 (1/h) | R 2 | qe,cal (mg/g) | k2 (g/mgh) | R 2 | ||
0.10 | 3.60 | 1.64 | 0.25 | 0.8123 | 3.65 | 1.40 | 0.9939 |
0.30 | 11.11 | 4.81 | 0.31 | 0.6417 | 11.15 | 0.19 | 0.9989 |
0.50 | 17.89 | 11.52 | 0.14 | 0.9044 | 18.08 | 0.05 | 0.9987 |
1.00 | 4.78 | 1.34 | 0.45 | 0.6670 | 4.79 | 5.89 | 0.9999 |
3.00 | 15.36 | 4.22 | 0.93 | 0.9963 | 15.43 | 0.95 | 1.0000 |
5.00 | 22.08 | 6.94 | 1.94 | 0.9318 | 22.07 | 0.11 | 0.9997 |
