Table 3. Thermodynamic Parameters for the Adsorption of BB41 on Chitosan/PVA/OCT-MMT (2 wt %) Nanocomposite at an Adsorbent Dosage of 0.04 g, Contact Time of 90 min, and Dye Concentration of 10 mg/L.
| temperature (K) | ΔH0 (kJ mol–1) | ΔS0(kJ mol–1 K–1) | ΔG0(kJ mol–1) |
|---|---|---|---|
| 298 | 29.37 | 0.14 | –12.7 |
| 308 | –14.4 | ||
| 313 | –14.8 | ||
| 318 | –15.5 |