Table. 1 Parameters of Langmuir, Freundlich, and Temkin isotherms for the biosorption of Fe+3 by A. niger.

From: Biosorption removal of iron from water by Aspergillus niger

Langmuir isotherm model

qmax

ka

R2

29.41

0.0067

0.9991

Freundlich isotherm model

n

kf

R2

2.604

1.107

0.9139

Temkin isotherm model

AT

bT

0.1499

653.368

B

R2

3.792

0.9999