Table 3 Adsorption capacities (AC) and other parameters for the removal of fluoride by Iron-based adsorbents
From: A critical study on efficiency of different materials for fluoride removal from aqueous media
Adsorbent | AC (mg/g) | AD (g/L) | CR (mg/L) | pH | Ref. |
|---|---|---|---|---|---|
PPy/Fe3O4 nanocomposite | 17.6 − 22.3 | 2.0 | 5-100 | 6.5 | [43] |
Fe/Al hydroxide | 91.7 | 0.5 | 10-90 | 4.0 | [45] |
Fe-Al-Ce nanoadsorbent | 2.22 | 5.0 | 19-25 | 7.0 | [46] |
Stilbite zeolite modified with Fe(III) | 2.31 | 10.0 | 5-40 | 6.9 | [47] |
GC(FeSO4.7H2O), GC(Fe2O3) | 2.16, 1.70 | 20.0 | 5-50 | 6.9 | [48] |
Synthetic Siderite | 1.77 | 4-40 | 3-20 | 4-9 | [50] |
Fe―Ti oxide nano-adsorbent | 47.0 | 0.5 | 50 | 6.9 | [51] |
Mg-doped nano ferrihydrite powder | 64.0 | 0.5-4 | 10-150 | 5.75 | [52] |
Fe(III) modified montmorillonite | - | 1 | 2-10 | 3.5-9.0 | [53] |