Biosorbent

Metal ion

Freundlich

Langmuir

K_F (mg/g)

1/n

R²

Q (mg/g)

b (L/mg)

R²

DTS

Cu(II)

1.68

0.3865

0.8701

18.42

0.0195

0.5889

Pb(II)

4.04

0.3742

0.8249

20.37

0.3084

0.9949

Zn(II)

0.68

0.6155

0.9871

22.78

0.0124

0.7674

CC

Cu(II)

2.25

0.3873

0.9501

18.38

0.0386

0.7857

Pb(II)

2.76

0.6146

0.9719

37.04

0.0777

0.9124

Zn(II)

0.72

0.6487

0.9870

24.39

0.0149

0.8763

EFB

Cu(II)

0.93

0.6320

0.9874

26.95

0.0174

0.8368

Pb(II)

4.48

0.5166

0.9895

37.59

0.1068

0.9746

Zn(II)

2.00

0.4316

0.9623

21.19

0.0317

0.8449