Table 3 Maximum adsorption capacity of different adsorbents based biopolymers used for the removal of Pb(II) and Cr(VI)
Adsorbents | qmax (mg g−1) | References | |
|---|---|---|---|
Pb(II) | Cr(VI) | ||
Chitosan microspheres/sodium alginate hybrid beads | 189 | 16 | This study |
Chitosan alginate-beads | 24 | – | [37] |
Chitosan-crosslinked-poly(alginic acid) nanohydrogel | – | 25 | [38] |
Sodium alginate-polyanilinenanofibers | – | 73 | [39] |
Chitosan coated calcium alginate beads | 107 | – | [14] |
Graphite doped chitosan composite | 6.7 | – | [40] |
Silica nanopowders/alginate composite | 83 | – | [41] |