Table 2 Kinetic parameters for (E122, E124 and Cr(VI)) adsorption on CELL@HBH.

From: Novel dihydroxybenzohydrazide grafted deoxycellulose for efficient removal of anionic food colorants and hexavalent chromium from wastewater

Adsorbates

Pseudo-1st-order

qe (mg/g)

K1 (min− 1)

R2

E122

584.795

25.26

0.96983

E124

325.773

9.47

0.96026

Cr(VI)

214.592

36.22

0.92890

 

Pseudo-2nd-order

E122

552.486

8.711 × 10− 4

0.99827

E124

321.543

3.536 × 10− 4

0.99889

Cr(VI)

219.298

1.08 × 10− 4

0.99756

Intraparticle diffusion model

 

Kdiff

R2

 

E122

29.705

0.85186

 

E124

14.085

0.86023

 

Cr(VI)

3.916

0.97166

 
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