Research Article
Preparation and Characterization of Chitosan-Humic Acid-Zerovalent Iron Nanocomposite for Nitrate Reduction in Water
Table 1
Model-fitted pseudofirst-order rate constants of nitrate reduction under various experimental conditions.
| # | ZvFe-CTS-HMA/ | conc (ppm) | (minsā1) | |
| 1 | 0.0100 | 10 | 0.0399 | 0.6903 | 2 | 0.0050 | 20 | 0.0424 | 0.8150 | 3 | 0.0030 | 30 | 0.0335 | 0.9642 | 4 | 0.0025 | 40 | 0.0269 | 0.9763 | 5 | 0.0020 | 50 | 0.0207 | 0.9443 | 6 | 0.0020 | 50 | 0.0207 | 0.9443 | 7 | 0.0040 | 50 | 0.0377 | 0.7423 | 8 | 0.0080 | 50 | 0.0250 | 0.3750 | 9 | 0.0083 | 12 | 0.0469 | 0.8141 | 10 | 0.0167 | 12 | 0.0292 | 0.3750 | 11 | 0.0056 | 18 | 0.0417 | 0.8173 | 12 | 0.0111 | 18 | 0.0321 | 0.3750 | 13 | 0.0167 | 6 | 0.0287 | 0.5309 | 14 | 0.0333 | 6 | 0.0243 | 0.3750 |
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