Research Article
Phenol Red Adsorption from Aqueous Solution on the Modified Bentonite
Table 5
Thermodynamic parameters for the phenol red adsorption onto CB, AlCB, and FeCB.
| | T (K) | CB | AlCB | FeCB | | ∆G° (kJ·mol−1) | ∆H° (kJ·mol−1) | ∆S° (kJ·mol−1·K−1) | ∆G° (kJ·mol−1) | ∆H° (kJ·mol−1) | ∆S° (kJ·mol−1·K−1) | ∆G° (kJ·mol−1) | ∆H° (kJ·mol−1) | ∆S° (kJ·mol−1·K−1) |
| | 293 | −27.02 | 26.21 | 0.249 | −27.58 | 48.36 | 0.261 | −29.70 | 12.34 | 0.144 | | 303 | −28.97 | | | −30.97 | | | −30.95 | | | | 313 | −32.03 | | | −32.75 | | | −32.57 | | |
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