Research Article
The Improvement of Natural Thai Bentonite Modified with Cationic Surfactants on Hexavalent Chromium Adsorption from an Aqueous Solution
Table 4
Parameters of the thermodynamic adsorption analysis.
| Adsorbent | T (K) | Kc | ΔG0 (kJ mol-1) | ΔH0 (kJ mol-1) | ΔS0 (J K-1 mol-1) |
| 1CPC | 298 | 3.31 | -2.97 | 3.93 | 23.05 | | 303 | 3.29 | -3.00 | | | | 308 | 3.49 | -3.20 | | | | 313 | 3.54 | -3.29 | | | 1HDTMA | 298 | 3.38 | -3.02 | 1.19 | 14.02 | | 303 | 3.34 | -3.04 | | | | 308 | 3.38 | -3.12 | | | | 313 | 3.45 | -3.22 | | |
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