Research Article
Thermodynamic, Kinetic, and Equilibrium Parameters for the Removal of Lead and Cadmium from Aqueous Solutions with Calcium Alginate Beads
Table 1
Kinetic parameters of cadmium sorption by calcium alginate beads at different temperatures.
| Temperature (°C) | Pseudo-first-order (Lagergren) | Pseudo-second-order | Elovich | (min−1) | (mg/g) | | (min−1) | (mg/g) | | (min−1) | (mg/g) | |
| 25 | 0.116 | 8.199 | 0.954 | 0.009 | 8.6 | 0.983 | 19.75 | 0.903 | 0.941 | 35 | 0.230 | 8.909 | 0.961 | 0.012 | 8.86 | 0.988 | 9.73 | 0.537 | 0.944 | 50 | 0.581 | 8.703 | 0.967 | 0.038 | 9.75 | 0.985 | 3.596 | 0.658 | 0.940 |
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