Research Article
Investigating the Adsorption of Humic Acid from Water Using CTS/PAM and CTS/PAM/EDTA Adsorbents
Table 4
Isotherm parameters for all three models for CTS/PAM adsorbent.
| Isotherm | Parameters | Temperature | 25°C | 35°C | 45°C |
| Langmuir | (mg·g−1) | 250 | 250 | 250 | (l·mg−1) | 0.157 | 0.135 | 0.146 | | 0.550 | 0.350 | 0.354 |
| Freundlich | ((mg·g−1) (l·g−1)1/n) | 7.48 | 7.92 | 9.51 | n | 0.641 | 0.627 | 0.644 | | 0.983 | 0.989 | 0.972 |
| Temkin | b | 1.13 | 1.56 | 2.049 | A | 0.337 | 0.354 | 0.385 | | 0.991 | 0.990 | 0.974 |
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