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Fitting parameters of heavy metal ions adsorption kinetics using Weber-Morris model.
| Ion | C0 mg L−1 | Weber-Morris model | |||||
|---|---|---|---|---|---|---|---|
| k1 mg g−1 min−1/2 | I1 | R2 | k2 mg g−1 min−1/2 | I2 | R2 | ||
| Pb(II) | 250 | 48.7 | 3.5 | 0.993 | 11.6 | 137.2 | 0.956 |
| Cd(II) | 100 | 32.3 | 5.4 | 0.965 | 40.7 | 1.2 | 0.987 |
| Cu(II) | 250 | 32.5 | 6.4 | 0.997 | 4.8 | 38.5 | 0.925 |
| Zn(II) | 250 | 19.1 | 6.2 | 0.956 | 3.6 | 23.5 | 0.993 |
