Kinetic constants (pseudo-second order) for Cd(II) adsorption

Kinetic constants (pseudo-second order) for Cr(VI) adsorption

pH

q_e(exp) (mg∙g⁻¹)

q_e(cal) (mg∙g⁻¹)

K₂ × 10⁻² (min⁻¹)

q_e(exp) (mg∙g⁻¹)

q_e(cal) (mg∙g⁻¹)

K₂ × 10⁻² (min⁻¹)

0.5

6.34

5.52

2.53

0.974

2.30

2.46

2.23

0.989

1.0

9.28

7.08

2.579

0.980

3.22

3.58

2.41

0.988

2.0

11.25

7.57

2.74

0.961

3.65

3.61

2.30

0.977

3.0

11.67

8.11

2.87

0.966

4.53

4.07

2.32

0.966

4.0

12.29

7.70

2.51

0.982

5.35

3.93

2.12

0.977

5.0

13.46

8.28

2.74

0.977

5.18

4.27

2.32

0.984

6.0

14.97

9.28

2.97

0.978

5.11

4.30

2.16

0.978