Table 4.
Comparison of ions removal by CEPAANa by other similar composites.
| Adsorbent | qm (mg/g) | pH | T(k) | Refs | ||
|---|---|---|---|---|---|---|
| Cu2+ | Pb2+ | Cd2+ | ||||
| PVA/PAA gel | - | 195.0 | 115.9 | 5 | 313 | [64] |
| Polyampholyte hydrogel | - | 216.1 | 153.8 | Pb 5.0 Cd 6.0 |
313 | [65] |
| Cellulose nanocrystal-g-poly(acrylic acid-co-acrylamide) aerogels | - | 366.3 | - | 6 | 293 | [66] |
| GAMAAX | - | - | 312.1 | 7 | 298 | [67] |
| P(AANa-co-AM)/GO hydrogel | - | 452.3 | 196.4 | 4.5 | 298 | [50] |
| MCC-g-(AA-co-AM) | 157.5 | 393.2 | 289.9 | 5 | 300.1 | [13] |
| Cellulose-g-poly-(acrylamide-co -acrylic acid) polymeric |
61.8 | 209.6 | 101.7 | Cu Pb 5.5 Cd 6.0 |
298 | [17] |
| CE–PAANa | 106.3 | 333.3 | 163.9 | 5 | 296.6 | this work |