Table 3.
Parameters of intraparticle diffusion model for removal of TB and BPA using FGS2 at different initial dye concentrations [pH: 3, agitation speed: 300 rpm, and solution temperature: 25 °C].
| Initial TB concentration (mg/L) | ||||||
|---|---|---|---|---|---|---|
| kd1 | C1 | R2 | kd2 | C2 | R2 | |
| TB | ||||||
| 50 | 51.32 | 20.59 | 0.8773 | 4.42 | 175.51 | 0.6315 |
| 75 | 75.03 | 27.78 | 0.8837 | 8.56 | 217.00 | 0.8313 |
| 100 | 97.51 | 26.73 | 0.9380 | 8.35 | 321.52 | 0.7544 |
| 150 | 116.56 | 42.09 | 0.8980 | 13.66 | 349.89 | 0.9159 |
| BPA | ||||||
| 50 | 48.71 | 0.76 | 0.9996 | 19.22 | 123.68 | 0.9693 |
| 75 | 73.19 | 10.52 | 0.9818 | 19.22 | 219.98 | 0.9510 |
| 100 | 106.79 | 20.86 | 0.9633 | 15.49 | 326.42 | 0.9798 |
| 150 | 119.57 | 31.99 | 0.9388 | 9.54 | 378.23 | 0.9423 |