Temperature (˚C)

Adsorption Isotherm Model

30

40

50

60

R²

Linear

0.83

0.803

0.792

0.821

Langmuir

0.687

0.699

0.707

0.806

Freundlich

0.912 n = 0.6

0.911 n = 0.6

0.897 n = 0.55

0.896 n = 0.47

Temkin

0.777

0.78

0.747

0.71