Temperature (K)

Models

303

318

333

Langmuir isotherm

(mg・g⁻¹)

13.53

16.50

18.12

(L・mg⁻¹)

0.083

0.49

1.08

0.98

0.99

0.99

0.099

0.095

0.090

Freudlich isotherm

1.49

1.04

0.62

1.69

1.44

1.66

0.99

0.99

0.90

Temkin isotherm

B

2.74

3.16

2.04

A

1.04

0.63

0.40

B

0.92

0.82

1.32

0.96

0.97

0.86

D-R isotherm

(mg・g⁻¹)

6.85

42.20

5.16

(mol²・J⁻²) × 10⁻⁶

0.80

0.24

6.01

0.79

0.91

0.83

E (kJ・mol⁻¹)

0.79

1.58

0.28