Pseudo-first-order

Pseudo-second-order

Co

qe,exp

qe1,cal

k1

R2

qe2,cal

k2

R2

(mg·L−1)

(mg·g−1)

(mg·g−1)

(min−1)

(mg·g−1)

(g·mg−1·min−1)

60

28.02

2.363

0.01385

0.3565

28.10

0.1810

1.000

80

34.30

3.105

0.02409

0.4681

34.45

0.09533

1.000

100

37.12

5.312

0.03916

0.4167

37.36

0.07656

0.9999

Intraparticle diffusion

Co

qe,exp

Kp1

R12

Kp2

Kp3

(mg·L−1)

(mg·g−1)

(mg·g−1·min−0.5)

(mg·g−1·min−0.5)

(mg·g−1·min−0.5)

60

28.02

3.769

0.9279

0.7200

0.9753

0.03125

0.5724

80

34.30

5.664

0.9157

1.365

0.9720

0.06186

0.6042

100

37.12

15.32

0.9413

3.333

0.9187

0.1158

0.6409