Pseudo-first order

Pseudo-second order

Intraparticle diffusion

*CO (mg/L)

qeexp (mg/g)

qecal (mg/g)

K1

(min−1)

qe2 cal

(mg/g)

K2

(g/mg/min)

Kid

(mg∙g−1∙min1/2)

I

(mg∙g−1∙min1/2)

20

3.44

0.824

0.0322

0.93

3.460

0.189

0.999

0.073

2.65

0.999

50

9.89

2.000

0.0438

0.974

10.000

0.147

0.999

0.422

7.26

0.941

100

17.07

4.246

0.0530

0.913

17.241

0.072

0.999

1.663

11.93

0.98

150

20.28

10.864

0.0415

0.871

20.408

0.025

0.999

4.79

10.59

0.96

170

22.64

11.803

0.0461

0.866

22.727

0.023

0.998

4.79

10.14

0.96