Table 7 Kinetic parameters of PFO and PSO in the adsorption of TH dye on CS-CY/Benz/Fe3O4.
Concentration (mg/l) | qe exp (mg/g) | PFO | PSO | ||||
|---|---|---|---|---|---|---|---|
qe cal (mg/g) | k1(1/min) | R2 | qe cal (mg/g) | k2 ∗ 10−2 (g/mg min) | R2 | ||
50 | 102.58 | 101.6 | 0.34 | 0.99 | 111.51 | 0.56 | 0.99 |
100 | 198.84 | 198.15 | 0.19 | 0.99 | 234.83 | 0.1 | 0.99 |
150 | 296.25 | 295.37 | 0.17 | 0.99 | 316.56 | 0. 1 | 0.98 |
200 | 384.60 | 389.25 | 0.15 | 0.98 | 429.55 | 0.05 | 0.95 |
250 | 473.66 | 470.30 | 0.09 | 0.99 | 501.16 | 0.03 | 0.96 |
300 | 577.12 | 566.95 | 0.09 | 0.99 | 601.34 | 0.02 | 0.95 |
350 | 660.86 | 666.90 | 0.08 | 0.97 | 706.42 | 0.01 | 0.91 |
