Research Article
Adsorption Equilibrium for Heavy Metal Divalent Ions (Cu2+, Zn2+, and Cd2+) into Zirconium-Based Ferromagnetic Sorbent
Table 2
Isotherm parameters for sorption of heavy metal ions by the zirconium-based ferromagnetic sorbent.
| Isotherm models | Cu2+ | Zn2+ | Cd2+ |
| Langmuir | | | | | 38.1679 | 43.6681 | 39.0625 | | 0.0133 | 0.0054 | 0.0104 | Freundlich | | | | | 0.4441 | 0.5078 | 0.5845 | | 2.2517 | 1.9693 | 1.7109 | | 2.5704 | 1.3871 | 1.2306 | Dubinin-Radushkevich | | | | | | | | | 0.10 | 0.22 | 0.16 | | 22.4031 | 15.1500 | 18.4654 | Temkin | | | | | 290.8 | 362.6 | 370.9 | | 0.1398 | 0.1112 | 0.1922 |
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