Table 2.
Isotherm parameters for the adsorption of BPA onto the carbon foam
| Temperature | 20 °C | 30 °C | 40 °C |
|---|---|---|---|
| Langmuir isotherm | |||
| QL (mg/g) | 386.0 | 353.0 | 223.0 |
| KL (L/mg) | 0.339 | 0.246 | 0.201 |
| R2 | 0.943 | 0.911 | 0.929 |
| SD (mg/g) | 29.280 | 32.515 | 14.433 |
| Freundlich isotherm | |||
| KF (mg/g) (L/mg)1/n | 123.0 | 104.0 | 74.0 |
| n | 2.848 | 2.939 | 3.544 |
| R2 | 0.792 | 0.740 | 0.761 |
| SD (mg/g) | 23.573 | 24.930 | 18.027 |
| Liu isotherm | |||
| QLi (mg/g) | 323.0 | 287.0 | 211.0 |
| kg (L/mg) | 0.455 | 0.304 | 0.226 |
| nL | 1.950 | 3.708 | 1.567 |
| R2 | 0.998 | 0.999 | 0.970 |
| SD (mg/g) | 3.558 | 1.117 | 10.639 |