Kinetic models and parameters

Pseudo-first order

Initial concentration

10 mg/L

20 mg/L

50 mg/L

k₁

0.0154

0.0167

0.0199

Q_e,cal (mg/g)

2.81

5.63

15.67

$R_1^2$

0.9808

0.9155

0.9886

Pseudo-second order

k₂

0.0096

0.0015

0.0007

Q_e,cal (mg/g)

2.02

4.27

10.10

$R_2^2$

0.9843

0.9854

0.9904

Diffusion intraparticulaire

K_i

0.1418

0.2773

0.7242

C

0.0739

0.2928

0.4635

$R_i^2$

0.9896

0.9861

0.9522

Q_e,exp (mg/g)

1.92

3.73

9.90