Table 4.
Kinetic parameters of CA and CAAl materials.
| Experimental | Pseudo-First Order Model (PFORE) |
Pseudo-Second Order Model (PSORE) |
Weber & Morris equation | |||||
|---|---|---|---|---|---|---|---|---|
| Sorbent |
qexp (mmol g−1) |
k1 (min−1) |
q1 (mmol g−1) |
r 2 |
k2 (g mmol−1 min−1) |
q2 (mmol g−1) |
r 2 |
Kp (mmol g−1 min−1/2) |
| CA | 0.22 | 0.23 | 0.21 | 0.941 | 1.66 | 0.22 | 0.989 | 0.29 |
| CA (Air-dried) |
0.17 | 4.54 × 10−3 | 0.16 | 0.998 | 2.72 × 10−2 | 0.19 | 0.999 | 8.52 × 10−2 |
| CAAl | 0.18 | 0.19 | 0.18 | 0.932 | 1.62 | 0.18 | 0.986 | 0.25 |
| CAAl (Air-dried) |
0.19 | 1.15 × 10−2 | 0.17 | 0.955 | 7.84 × 10−2 | 0.19 | 0.988 | 9.56 × 10−2 |