No

Kinetics model

Parameters

Value

1

First-order rate equation

–ln(Ct/Co) = K1t

K1 (min−1)

0.0116

R2

0.915

2

Second order rate equation

[1/Ct] – [1/Co] = K2t

K2 (L/mg∙min)

0.013

R2

0.948

3

Lagergren pseudo first-order equation.

Ln (qe – qt) = lnqe – K1t

K1 (min−1)

−0.018

R2

0.936

4

Pseudo second-order rate equation

t / q t = 1 / K 2 q e 2 + t / q e

K2 (g/mg∙min)

0.036

qe

1.677

R2

0.995

5

Intraparticle diffusion

qt = Kpt1/2 + c

c (mg/g)

0.196

R2

0.946

Kp (mg/g∙min1/2)

0.143

6

Elovich equation model

qt = [1/β]ln[αβ] + [1/β]lnt

R2

0.977

α

0.214

b (g/mg)

2.691

7

Natarajan and Khalaf

Ln(Co/Ct) = Kt

K (min−1)

0.0116

R2

0.915