Isotherm models

Parameters

Temperature (K)

343

353

363

373

Freundlich

KF (L/mg)

0.096

0.241

0.222

0.335

n

−0.404

−1.014

−1.193

−2.558

R2

0.841

0.745

0.776

0.651

Langmuir

Ka (L/mg)

−2.024

−3.230

−4.354

−7.669

qm (mg/g)

0.046

0.095

0.148

0.211

R2

0.632

0.642

0.722

0.740

Temkin

KT (L/mg)

0.924

0.762

0.614

0.213

B1

−0.649

−0.468

-0.386

−0.219

R2

0.988

0.959

0.940

0.829

Dubinin and

Radushkevich

β

-2 × 107

−7 × 108

−4 × 108

−9 × 109

Qm (mg/g)

0.045

0.161

0.254

0.433

R2

0.761

0.640

0.618

0.432