Research Article
Investigating the Adsorption of Humic Acid from Water Using CTS/PAM and CTS/PAM/EDTA Adsorbents
Table 5
Isotherm parameters for all three models for CTS/PAM/EDTA adsorbent.
| Isotherm | Parameters | Temperature | 25°C | 35°C | 45°C |
| Langmuir | (mg·g−1) | 250 | 250 | 250 | (l·mg−1) | 0.175 | 0.209 | 0.244 | | 0.70 | 0.65 | 0.65 |
| Freundlich | ((mg·g−1) (l·g−1)1/n) | 34.67 | 41.52 | 49.009 | n | 1.212 | 1.237 | 1.304 | | 0.997 | 0.964 | 0.940 |
| Temkin | b | 2.17 | 2.826 | 3.67 | A | 0.811 | 0.893 | 1.048 | | 0.990 | 0.988 | 0.975 |
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