Research Article
Biofunctional Characteristics of Lignite Fly Ash Modified by Humates: A New Soil Conditioner
Table 3
Correlation coefficients of the linear adsorption equations.
| Isotherm equation | Temperature (K) | |
| Langmuir
| 291 | 0.625 | 308 | 0.608 | 323 | 0.565 | 338 | 0.445 | 353 | 0.664 |
| Freundlich
| 291 | 0.989 | 308 | 0.962 | 323 | 0.871 | 338 | 0.722 | 353 | 0.759 |
| BET
| 291 | 0.996 | 308 | 0.929 | 323 | 0.844 | 338 | 0.880 | 353 | 0.910 |
| Harkins-Jura
| 291 | 0.840 | 308 | 0.969 | 323 | 0.792 | 338 | 0.520 | 353 | 0.834 |
| Dubinin-Radushkevich
| 291 | 0.957 | 308 | 0.856 | 323 | 0.985 | 338 | 0.806 | 353 | 0.893 |
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