Research Article
Adsorption Characteristics of Bixin on Acid- and Alkali-Treated Kaolinite in Aprotic Solvents
Table 3
Adsorption isotherm parameters for the adsorption of bixin on kaolinite.
| Solvent | Adsorbent | Freundlich | Langmuir | KF | 1/n | r2 | KL | qm | r2 |
| Acetone | KN | 0.13 | 0.25 | 0.7043 | 1.16 | 0.24 | 0.9747 | KA | 0.14 | 0.17 | 0.7107 | 1.22 | 0.22 | 0.9691 | KB | 0.23 | 0.10 | 0.6005 | 4.00 | 0.29 | 0.9893 | Dimethyl carbonate | KN | 0.14 | 0.10 | 0.5600 | 2.03 | 0.18 | 0.9915 | KA | 0.11 | 0.19 | 0.8362 | 0.48 | 0.21 | 0.9807 | KB | 0.32 | 0.14 | 0.5701 | 5.00 | 0.43 | 0.9927 |
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