Research Article
Adsorption of Cd (II) Using Chemically Modified Rice Husk: Characterization, Equilibrium, and Kinetic Studies
Table 5
Parameters of Langmuir and Freundlich adsorption isotherms.
| Rise husk | Type of adsorbent | S2 | S2-NaOH |
| Langmuir model | (mg/g) | 5.13 | 11.06 | (L/mg) | 0.237 | 0.393 | | 0.995 | 0.987 | Freundlich model | | 2.11 | 4.31 | | 4.96 | 4.23 | | 0.976 | 0.976 | Hill model | | 5.09 | 12.72 | | 4.58 | 2.54 | | 1.06 | 0.66 | | 0.982 | 0.988 | Redlich-Peterson model | | 1.29 | 6.75 | | 0.27 | 0.91 | | 0.98 | 0.90 | | 0.98 | 0.99 | Temkin model | | 0.81 | 1.80 | | 6.73 | 7.93 | | 0.94 | 0.98 |
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