Table 3.
Pseudo-first-order and Pseudo-second-order kinetic model parameters of the as-synthesized samples.
| Adsorbates |
Samples |
qe,exp (mg/g) |
Pseudo first-order model |
Pseudo second-order model |
||||
|---|---|---|---|---|---|---|---|---|
| qe,cal (mg/g) | k1 ( × 10−2 min−1) | R2 | qe, cal (mg/g) | k2 ( × 10−3 g/mg min) | R2 | |||
| S2-LDH | 211.4 | 15.6 | 5.2 | 0.773 | 185.1 | 5.61 | 0.9994 | |
| S2-MMT | 220.6 | 83.40 | 2.25 | 0.801 | 207.7 | 1.44 | 0.9945 | |
| C.R. | S3-MMT | 185.5 | 113.0 | 1.12 | 0.628 | 210 | 1.45 | 0.9952 |
| S4-MMT | 228.39 | 156.0 | 7.25 | 0.739 | 230 | 1.35 | 0.9971 | |
| S2-LDH | 204.151 | 10.76 | 3.87 | 0.786 | 202.08 | 10.2 | 0.9999 | |
| M.B. | S2-MMT | 208.38 | 25.35 | 5.1 | 0.660 | 207.7 | 5.42 | 0.9997 |
| S3-MMT | 209.96 | 29.95 | 5.6 | 0.612 | 209 | 5.02 | 0.9996 | |
| S4-MMT | 210.63 | 35.23 | 5.26 | 0.689 | 210 | 6.188 | 0.9998 | |