Kinetic constants (Elovich model) for Cd(II) adsorption

Kinetic constants (Elovich model) for Cr(VI) adsorption

pH

β (g∙mg⁻¹)

α (mg∙g⁻¹∙min⁻¹)

β (g∙mg⁻¹)

α (mg∙g⁻¹∙min⁻¹)

0.5

0.57

0.21

0.984

1.25

0.10

0.983

1.0

0.46

0.30

0.993

0.89

0.153

0.988

2.0

0.45

0.42

0.987

0.78

0.33

0.980

3.0

0.42

0.53

0.995

0.88

0.21

0.975

4.0

0.41

0.62

0.996

0.79

0.61

0.968

5.0

0.39

0.75

0.997

0.74

0.47

0.982

6.0

0.37

0.83

0.998

0.72

0.40

0.966