Table 1 Kinetics results of Pseudo first order, Pseudo second order and Intraparticle diffusion model for the adsorption of DBT onto BT, B-BTC, B-DSS, B-BTB and B-BEHA.

From: Synthesis, characterization and application of organoclays for adsorptive desulfurization of fuel oil

Adsorbent

Pseudo-first order

Pseudo-second order

Intraparticle diffusion model

q (exp) (mg/g)

q(calc) (mg/g)

K1(min-1)

R2

q(calc) (mg/g)

K2(g/mg min-1)

R2

Kp

C

R2

BT

26.4

44.98

0.0389

0.852

17

5.36 \(\times \) 10–4

0.792

4.53

 − 13.47

0.917

B-BTC

58.8

67.7

0.0575

0.953

78

5.99 \(\times \) 10–4

0.983

5.02

15.46

0.881

B-BTB

58.2

74.38

0.0576

0.918

81

4.75 \(\times \) 10–4

0.972

5.42

11.38

0.899

B-DSS

54.6

60.25

0.0511

0.973

75

5.32 \(\times \) 10–4

0.984

5.41

9.081

0.936

B-BEHA

50.4

59.06

0.0525

0.960

71

5.16 \(\times \) 10–4

0.989

5.06

7.587

0.931

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