Table 1.
Kinetic fitting relevant parameters of dye adsorption on CPAM-Dia/SA-La.
Dyes | T/K | qe,exp (mg/g) | Pseudo-First-Order | |||
---|---|---|---|---|---|---|
k1 (min) | qe,c (mg/g) | R 2 | RMSE × 10−2 | |||
AB 113 | 298 | 2692 | 0.0215 | 473 | 0.375 | 2.9 |
313 | 2589 | 0.0350 | 835 | 0.931 | 0.3 | |
328 | 2447 | 0.0157 | 100 | 0.386 | 1.5 | |
CR | 298 | 1520 | 0.0372 | 610 | 0.914 | 0.5 |
313 | 1468 | 0.0269 | 148 | 0.494 | 2.8 | |
328 | 1424 | 0.0236 | 64 | 0.777 | 0.6 | |
Dyes | T /K | q e,exp (mg/g) | Pseudo-Second-Order | |||
k 2 [g/(mg·min)] | q e,c (mg/g) | R 2 | RMSE × 10−6 | |||
AB 113 | 298 | 2692 | 6.20 × 10−5 | 2768 | 0.997 | 1.4 |
313 | 2589 | 9.60 × 10−5 | 2648 | 0.999 | 0.5 | |
328 | 2447 | 5.01 × 10−4 | 2447 | 1.000 | 0.1 | |
CR | 298 | 1520 | 1.06 × 10−4 | 1579 | 0.997 | 4.1 |
313 | 1468 | 1.91 × 10−4 | 1501 | 0.999 | 2.3 | |
328 | 1424 | 9.54 × 10−4 | 1429 | 1.000 | 0.9 |