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Equilibrium and calculated data for Langmuir and Freundlich isotherm model plots (solution initial pH = 4.0, biosorbent dose = 6.0 g, and contact time = 120 min).
| C e (mg/L) | q e (mg/g) | Langmuir isotherm model | Freundlich isotherm model | |
|---|---|---|---|---|
| C e/qe | Log (Ce) | Log (qe) | ||
| 11.3465 | 1.963 | 5.62 | 1.055 | 0.293 |
| 6.0256 | 2.245 | 2.56 | 0.78 | 0.251 |
| 18.6636 | 2.133 | 8.75 | 1.271 | 0.329 |
| 11.6412 | 1.958 | 5.95 | 1.066 | 0.292 |
| 1.7298 | 1.601 | 1.08 | 0.238 | 0.204 |
