Table 4.
Comparison of the removal efficiency of newly nanosized magnetic adsorbent (at both molar ratios: M1 and M2) with the one reported in the literature (selected study) for some adsorbent materials that use the similar waste.
| Adsorbent type | Removal efficiency (%) | References |
|---|---|---|
| Eggshell | 96 | 15 |
| Eggshell | 25.56 | 36 |
| Eggshell | 93 | 33 |
| Calcined eggshell | 99 | 40 |
| Coal fly ash | 71 | 22 |
| Magnetite nanoparticles | 72 | 25 |
| FeNPs | 41.7 | 32 |
| F-ES (eggshell loaded with FeOOH) | 94.26 | 36 |
| Polyelectrolyte-coated fly ash (PEFA) | 96 | 16 |
| EFM | 99.9 (M1) and 99.8 (M2) | This study |