pseudo-first order model

pseudo-second order model

C0 (mg/L)

qe (exp)

k1 (min−1)

qe (cal) (mg/g)

Δq

R2

k2 (g·mg−1·min−1)

qe (cal) (mg/g)

Δq

R2

50

2.37

0.0258

0.59

1.78

0.9884

0.1167

2.46

0.09

0.9996

100

6.09

0.0706

0.77

5.3

0.9728

0.0223

6.22

0.13

0.9999

300

24.18

0.0244

5.2

18.98

0.8854

0.0143

24.69

0.51

0.9997

500

31.73

0.0116

9.4

23.33

0.9265

0.0037

34.12

2.39

0.9952