Table 1.
Comparison of maximum adsorption capacities for arsenate and physical properties for different adsorbents.
| Adsorbent | PZC * | Specific Surface Area (m2/g) | pH | Maximum Adsorption Capacity (mg/g) | References |
|---|---|---|---|---|---|
| BYC | 7.9 | <1 | 7.0 | 289.6 | This study |
| Ti-loaded BYC | 8.4 | 82 | 7.0 | 348.5 | This study |
| Yttrium hydroxide | 10.3 | <1 | 7.0 | 206.5 | This study |
| Magnetite | - | 179 | 7.0 | 16.6 | [37] |
| Akaganeite | - | 111 | - | 29.0 | [38] |
| Goethite | 6.7 | 39 | - | 4.0 | [19] |
| Fe-Cu binary oxide | 7.9 | 282 | 7 | 82.7 | [39] |
| CuO nanoparticles | 9.4 | 21 | 8 | 22.6 | [40] |
| Mesoporous alumina | - | 312 | 6.6 | 36.6 | [41] |
| Nano TiO2 | 5.8 | 329 | 7.0 | 37.5 | [42] |
| CeO2-ZrO2 | - | 29 | 6.9 | 145.4 | [28] |
| Y-Mn binary composite | 7.1 | - | 7.0 | 279.9 | [29] |
| Zr nanoparticles | 2.9 | - | 3.0 | 256.4 | [27] |
Note: * PZC: Point of zero charge.