Table 4.
U(VI) adsorption performance of UHMWPE-g-PO4 fibers compared with other adsorbents containing phosphate or phosphonic acid groups.
| Sorbents | C0 (mg∙L−1) | pH | CO32− | F− | Qmax (mg∙g−1) | Reference |
|---|---|---|---|---|---|---|
| phosphonic acid-based mesoporous silica | 8 | 8.3 | with | without | 54.5 | [17] |
| vinylphosphonic acid grafted poly(vinyl alcohol) fiber | 98.6 | 8.0 | without | without | 30.0 | [20] |
| Phosphate-based mesoporous carbon | 50 | 8.0 | without | without | 70.0 | [21] |
| phosphate-based polyethylene fibers | 50 | 8.2 | without | without | 151.0 | [37] |
| phosphate-based mesoporous silica | 160 | 6.9 | without | without | 303.0 | [38] |
| phosphonate-based polystyrene microsphere | 200 | 8.0 | with | without | 83.4 | [39] |
| phosphonic acid-based mesoporous silica | 42.8 | 8.0 | without | without | 207.6 | [40] |
| phosphate-based UHMWPE fiber | 20 | 9.6 | with | with | 110.7 | this work |