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Table 2 Fitting results of experimental data through two isotherms models

From: Biosorption of Pb2+, Cd2+ and Zn2+ from aqueous solutions by Agrobacterium tumefaciens S12 isolated from acid mine drainage

Metal ions

qe,exp (mg g−1)

Langmuir model

Freundlich model

qmax (mg g−1)

KL

r2

KF

n

r2

Pb2+

222

234

0.31

0.9504

99

5.3

0.7547

Cd2+

55

58

0.26

0.9940

25

5.1

0.8426

Zn2+

47

51

0.14

0.9805

17

4.2

0.8570

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Sustainable Environment Research

ISSN: 2468-2039

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