Kinetic model

CR

MG

Pseudo first-order

K1 (min−1)

0.0461

0.0438

qe (mg/g)

1.3996

1.7620

R2

0.928

0.959

Pseudo Second-order

k2 (g/mg/min)

0.0746

0.0537

qe (mg/g)

10.000

10.2041

R2

0.999

0.999

Elovich

α (mg/g/min)

2.7473

2.1459

β (g/mg)

2.47 × 109

1.30 × 107

R2

0.982

0.979

Intra particle and film diffusion

kpi (mg・g−1・min−0.5)

0.123

0.160

Ci

8.760

8.532

R2

0.943

0.967