Table 4.
Thermodynamic studies for the pollutants onto pomegranate materials.
| Adsorbents | Temperature (K) | Thermodynamic parameters |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| △Ho (KJ/mol) |
△So (KJ/mol) |
△Go (J/mol.K) |
||||||||
| Cd(II) | IBU | MB | Cd(II) | IBU | MB | Cd(II) | IBU | MB | ||
| PPH | 288 | 67.69 | 64.33 | 69.08 | 0.3282 | 0.2101 | 0.3390 | −1.214 | −1.081 | −1.496 |
| 298 | −1.941 | −1.756 | −2.114 | |||||||
| 308 | −3.805 | −3.346 | −3.983 | |||||||
| CPH | 288 | 85.38 | 82.84 | 86.03 | 0.4622 | 0.4524 | 0.4703 | −3.271 | −2.884 | −3.358 |
| 298 | −5.010 | −4.373 | −5.327 | |||||||
| 308 | −7.133 | −6.958 | −7.251 | |||||||
| NPH | 288 | 88.21 | 87.17 | 88.96 | 0.4937 | 0.4612 | 0.4990 | −3.368 | −2.971 | −3.511 |
| 298 | −5.471 | −5.014 | −5.586 | |||||||
| 308 | −7.425 | −7.001 | −7.883 | |||||||