Table 4 Comparison of maximum adsorption capacity of Pb(II) between various adsorbents.
Adsorbent | pH | Isotherm | Kinetic | qm (mg/g) | Ref | |
|---|---|---|---|---|---|---|
1 | Kaolinite | 6 | Langmuir–Freundlich | PSO | 11.50 | |
2 | Montmorillonite | 6 | Freundlich | PSO | 31.1 | |
3 | Magnetized AC | – | Freundlich | PSO | 253.2 | |
4 | Tunisian Smectite | 6 | Langmuir | – | 75.35 | |
5 | PPy/o-MWCNT | – | – | PSO | 26.52 | |
6 | Magnetic bentonite | 5 | Langmuir | PSO–IPD | 80.40 | |
7 | Modified/nanozeolites Modified (MSWI) | – | Langmuir | PSO | 33 | |
8 | Syrian natural zeolite | 6 | Langmuir | – | 33.89 | |
9 | AEAPS | 6 | Langmuir | PSO | 27.65 | |
10 | MMT-K10 | 5 | Langmuir | PSO | 40.86 | This study |
