| Parameters |
Freundlich isotherm |
|||
| T (˚C) |
30 |
35 |
40 |
45 |
| KF ((µmol/g) (µmol/L)−1/n) |
36.885 |
38.425 |
38.502 |
49.824 |
| n |
5.266 |
4.933 |
4.955 |
5.485 |
| R2 |
0.900 |
0.940 |
0.919 |
0.967 |
| Parameters |
Temkin isotherm |
|||
| T (˚C) |
30 |
35 |
40 |
45 |
| KT (µmol/L) |
24.487 |
14.702 |
14.919 |
64.777 |
| b (J/mol) |
201.741 |
171.848 |
175.616 |
182.991 |
| R2 |
0.963 |
0.957 |
0.957 |
0.965 |
| Parameters |
Dubinin-Radushkevich isotherm |
|||
| T (˚C) |
30 |
35 |
40 |
45 |
| qDR (µmol/g) |
107.32 |
116.75 |
120.00 |
129.67 |
| K (J2/mol2) |
2.00 × 10?7 |
2.00 × 10?7 |
2.00 × 10?7 |
3.00 × 10?7 |
| E (kJ/mol) |
1.58 |
1.58 |
1.58 |
4.08 |
| R2 |
0.899 |
0.825 |
0.895 |
0.816 |
| Parameters |
Langmuir isotherm |
|||
| T (˚C) |
30 |
35 |
40 |
45 |
| KL (L/g) |
7.148 |
8.496 |
8.496 |
10.225 |
| aL (L/µmol) |
0.0579 |
0.0595 |
0.0603 |
0.0624 |
| qm (µmol/g) |
123.46 |
142.86 |
140.85 |
163.93 |
| RL |
0.0113 |
0.0111 |
0.0109 |
0.0106 |
| R2 |
0.999 |
0.999 |
0.999 |
0.999 |
| Thermodynamic parameters |
|
|||
| T (˚C) |
30 |
35 |
40 |
45 |
| ∆G (kJ/mol) |
?27.63 |
?28.15 |
?28.64 |
?29.19 |
| ∆H (kJ/mol) |
3.80 |
|||
| ∆S (J/K mol) |
103.72 |
|||
| R2 |
0.977 |
|||