Table 2 Kinetic parameters for DBTO adsorption on BR, BF3, BF6, ACR, ACF3, and ACF6
From: Adsorption of dibenzothiophene sulfone using Fe3+ and Fe6+-impregnated clay adsorbents
Model | Parameter | BR | BF3 | BF6 | ACR | ACF3 | ACF6 |
|---|---|---|---|---|---|---|---|
qe,exp (mg g−1) | 7.55 | 4.12 | 6.21 | 4.01 | 3.87 | 4.43 | |
PseudoFirst Order | k1 (min−1) | 8.2 × 10–3 | 9.4 × 10–3 | 2.4 × 10–3 | 5.5 × 10–3 | 6.0 × 10–3 | 6.2 × 10–3 |
qe,theo (mg g−1) | 0.82 | 0.67 | 2.2 | 1.8 | 2.6 | 2.0 | |
R2 | 0.8112 | 0.7568 | 0.5645 | 0.8740 | 0.8125 | 0.8966 | |
PseudoSecond Order | k2 (g mg−1 min−1) | 6.2 × 10–2 | 1.3 × 10–2 | 3.9 × 10–3 | 7.6 × 10–3 | 4.6 × 10–3 | 8.9 × 10–3 |
qe,theo (mg g−1) | 7.6 | 4.2 | 6.3 | 4.1 | 4.0 | 4.5 | |
R2 | 0.9999 | 0.9975 | 0.9972 | 0.9989 | 0.9966 | 0.9997 |