Table 1 The calculated parameters of kinetic models.

From: Sustainable synthesis of nano-crystalline and heterostructural Zr MOF@Bentonite composite, as a novel adsorbent for methylene blue adsorption

 

Parameters

MB dye

Intra-particle diffusion

Kp (mg g− 1min0.5)

0.6734

C (mg g− 1)

4.3087

R2

0.96

Pseudo-frist order

k (min− 1)

-0.02719

qe calc.(mg/g)

17.92

R2

0.96

qt expr.(mg/g)

13.7

Pseudo-second order

qe (mg/g)

11.76

k2 (mg/min)

4 × 10− 3

R2

0.99

Elovich

β (g/mg)

0.3612

α (mg/g min)

0.1146

R2

0.97