Kinetic models

Parameters

Temperature (K)

343

353

363

373

Pseudo-first-order

K1 (min−1)

3.22 × 10−2

3.22 × 10−2

3.9 2× 10−2

4.15 × 10−2

qe (mg/g)

0.701

0.986

1.183

1.040

R2

0.947

0.950

0.947

0.959

Pseudo-second-order

K2 (g/mg·min)

3.59 × 10−3

3.41 × 10−3

1.19 × 10−2

1.40 × 10−2

qe (mg/g)

1.727

2.165

1.473

1.550

R2

0.998

0.997

0.997

0.998

Elovich

Α (mg/g·min)

3.21 × 10−2

4.69 × 10−2

6.33 × 10−2

7.87 × 10−2

Β (g/mg)

0.500

3.559

3.497

3.125

R2

0.932

0.939

0.972

0.980

Intra-particle diffusion

Kid (mg/g∙min1/2)

0.080

0.112

0.112

0.125

c

−0.158

-0.210

−0.121

−0.096

R2

0.995

0.996

0.997

0.992