Model

Langmuir

Adsorbents

CA-1(a)

CA-2(a)

CA-1(b)

CA-2(b)

Parameters

kL (L/mg)

20.36 ± 2.51

22.47 ± 2.21

16.31 ± 1.83

18.42 ± 1.20

Q0 (mg/g)

5.72 ± 0.06

5.73 ± 0.04

5.89 ± 0.01

5.99 ± 0.02

RL

0.443

0.416

0.420

0.338

R2

0.986

0.987

0.987

0.989

SQE

0.898

0.912

0.937

0.955

S

0.316

0.318

0.326

0.328

s2

0.099

0.101

0.104

0.106