Table 6.
Parallel results of the adsorption capacities/sorption percentages of metal ions sorbed on different types of chitosan-modified biochars.
| Ions | Sorbent | Adsorption Capacity [mg/g] | Sorption Percentage [%] | References |
|---|---|---|---|---|
| Pb(II) | chitosan-modified bamboo biochar | - | 52 | [57] |
| Cd(II) | - | 45 | ||
| Cu(II) | - | 55 | ||
| Pb(II) | biochar supported zerovalent iron and chitosan (mass ratio 1:1:1) | - | 100 | [58] |
| Cr(VI) | - | 35 | ||
| As(V) | - | 60 | ||
| Pb(II) | chitosan- pyromellitic dianhydride modified biochar | 8.62 | - | [1] |
| Cd(II) | 25.78 | - | ||
| Cu(II) | 71.40 | - | ||
| Zn(II) | poly(acrylic acid) grafted chitosan and biochar composite |
114.94 | - | [59] |
| Cu(II) | 111.11 | - | ||
| Co(II) | 135.14 | - | ||
| Cd(II) | chitosan-modified kiwi branch biochar | 126.58 | - | [60] |
| Cd(II) | chitosan coated MgO-biochar | - | 60 | [32] |
| Pb(II) | chitosan-modified pine wood biochar | - | >70 | [61] |
| Cr(VI) | magnetic BiFeO3 onto cross-linked chitosan |
63.12 | - | [62] |