Table 1 Comparison of the maximum removal capacity of Cr (VI) on various removers
Removers | pH | qm (mg g−1) | References |
|---|---|---|---|
Hollow PANI spheres | 3.0 | 127.88 | This work |
Hollow PANI spheres | 4.0 | 43.20 | This work |
Hollow PANI spheres | 5.0 | 25.61 | This work |
Poly(o-toluidine)/pumice | 3.0 | 19.4 | [30] |
Hazelnut shell activated carbon (H2SO4) | 3.0 | 52.2 | [31] |
PANI-jute | 3.0 | 62.9 | [32] |
Waste Weed, Salvinia cucullata | 4.9 | 23.98 | [33] |
Water lily | 5.0 | 5.11 | [34] |
PANI nanowire/tubes | 5.0 | 86.7 | 26 |
Wood activated carbon | 2.0–5.0 | 29.9–26.6 | [35] |