Table 2 Kinetics parameters of the Pb(II) adsorption onto CBAC
Model | Parameter | Value |
|---|---|---|
Pseudo-first-order | k 1 (min−1) | 0.1755 |
Q e (mg/g) | 113.96 | |
R 2 | 0.9741 | |
Pseudo-second-order | k 2 (g/(mg·min)) | 0.0046 |
Q e (mg/g) | 116.41 | |
R 2 | 0.9995 | |
Q exp (mg/g) | ca. 115 |
Model | Parameter | Value |
|---|---|---|
Pseudo-first-order | k 1 (min−1) | 0.1755 |
Q e (mg/g) | 113.96 | |
R 2 | 0.9741 | |
Pseudo-second-order | k 2 (g/(mg·min)) | 0.0046 |
Q e (mg/g) | 116.41 | |
R 2 | 0.9995 | |
Q exp (mg/g) | ca. 115 |