Table 3 Adsorption isotherms parameters for various studied adsorption systems.
Isotherm parameters | F-Zn | F-Zn/AS400 (1:1) | F-Zn/AS400 | F-Zn/AS400 | AS400 |
|---|---|---|---|---|---|
(2:1) | (1:2) | ||||
Langmuir | |||||
qm (mg/g) | 37.17 | 27.76 | 29.42 | 18.41 | 12.57 |
aL, L/mg | 0.33 | 0.19 | 0.52 | 0.3 | 0.05 |
KL | 12.13 | 5.57 | 14.38 | 5.55 | 0.58 |
R2 | 0.92 | 0.92 | 0.99 | 0.97 | 0.94 |
Freundlich | |||||
KF | 6.65 | 5.27 | 6.55 | 5.23 | 0.72 |
n | 2.93 | 2.54 | 3.65 | 3.79 | 1.46 |
R2 | 0.86 | 0.95 | 0.84 | 0.93 | 0.96 |
Temkin | |||||
B (KJ/mol) | 6.44 | 5.73 | 4.44 | 3.01 | 2.76 |
A (L/g) | 5.06 | 2.54 | 7.07 | 5.58 | 2.03 |
R2 | 0.86 | 0.91 | 0.91 | 0.91 | 0.99 |
BET model | |||||
qm (mg/g) | 241 | 179 | 190 | 119 | 80 |
CBETx103 | 3.27 | 5.2 | 1.9 | 3.03 | 0.47 |
R2 | 0.92 | 0.99 | 0.92 | 0.97 | 0.94 |
