Research Article
Investigating the Adsorption of Humic Acid from Water Using CTS/PAM and CTS/PAM/EDTA Adsorbents
Table 1
Kinetic model parameters for HA adsorption process for both adsorbents.
| Kinetic models | Parameters | CTS/PAM | CTS/PAM/EDTA |
| Pseudo-first-order | (g·mg−1·min−1) | 0.0132 | 0.0367 | (mg·g−1) | 118.64 | 111.63 | | 0.942 | 0.971 | | 106.14 | 104.54 |
| Pseudo-second-order | (g·mg−1·min−1) | 7.56 × 10–5 | 3.43 × 10–4 | (mg·g−1) | 154.01 | 127.29 | | 0.918 | 0.939 | | 106.14 | 104.54 |
| Intraparticle diffusion | (g·mg−1·min−1/2) | 8.76 | 19.42 | | 0.912 | 0.954 | (mg·g−1) | 66.21 | 120.41 | C (mg·g−1) | −16.89 | −30.02 |
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