Table 4.
Alginate-based composites for the removal of other pollutants from aqueous solution
| Adsorbent | Adsorbate | Adsorption capacity (mg g−1) | pH | Temperature (°C) | Ref. |
|---|---|---|---|---|---|
| MnO2-alginate beads | Sr(II) | 102.0 | - | 25 | (Hong et al., 2017) |
| Alginate/Fe3O4 composite | Sr(II) | 12.5 | 6.0 | 25 | (Hong et al., 2016) |
| Calcium alginates | Yi (III) | 97.087 | 6.0 | 24 | (Khotimchenko et al., 2015) |
| Sodium alginates | Yi (III) | 181.818 | 6.0 | 24 | (Khotimchenko et al., 2015) |
| Zirconium alginate beads | Fluoride | 28.05 | 2.0 | 30 | (Qiusheng et al., 2015) |
| Hydrous ferric oxide doped alginate beads | Fluoride | 8.90 | 7.0 | Ambient T | (Sujana et al., 2013) |
| n-HApAlgLa Composite Beads | Fluoride | 4.536 | - | Room T | (Pandi and Viswanathan, 2015) |
| n-HApAlgLa Composite Beads | Fluoride | 4.916 | - | Room T | (Pandi and Viswanathan, 2015) |
| n-HApAlgLa Composite Beads | Fluoride | 5.271 | - | Room T | (Pandi and Viswanathan, 2015) |
| Iron oxide loaded CA beads | La(III) | 123.5 | 5.0 | 25 | (Wu et al., 2010) |
| Magnetic alginate beads | La(III) | 250 | 4.0 | 25 | (Elwakeel et al., 2017) |
| nZnO-entrapped alginate (alginate-nZnO) beads | H2S | - | - | - | (Gautam et al., 2016; Gautam et al., 2017) |
| nZnO-entrapped alginate (alginate-nZnO) beads | Greenhouse gases’ | - | - | - | (Gautam et al., 2016; Gautam et al., 2017) |
| Silver nanoparticle-alginate composite beads | Disinfecting bacteria | - | - | - | (Lin et al., 2013) |
| Ammonium molybdophosphate–CA composite | Rb(Ⅰ) | 49.57 | 3.5–4.5 | 25 | (Ye et al., 2009) |
| Ammonium molybdophosphate–CA composite | Cs(Ⅰ) | 91.70 | 3.5–4.5 | 25 | (Ye et al., 2009) |
| Alginate/Iron (III) Chloride Capsules | Phosphate | - | - | 20 | (Siwek et al., 2016) |
| Electrochemically modified biochar CA beads | Phosphate | 214.2 | 4.0 | 10 | (Jung et al., 2017) |
| Electrochemically modified biochar CA beads | Phosphate | 292.98 | 4.0 | 20 | (Jung et al., 2017) |
| Electrochemically modified biochar CA beads | Phosphate | 342.67 | 4.0 | 30 | (Jung et al., 2017) |