Table 5.
Adsorption capacities of different adsorbents for Hg2+.
| Adsorbents | pH | te (min) | T (°C) | Qm (mg g−1) | Isotherm Model | Kinetic Model | References |
|---|---|---|---|---|---|---|---|
| CSTG | 5.0 | 60 | 30 | 98.0 | Langmuir | pseudo-second-order | [24] |
| Fe3O4 @SiO2-SH | 3-8 | 1440 | 25 | 132.0 | Langmuir | pseudo-second-order | [31] |
| Chit-PTU | 5.0 | 60 | 30 | 135.0 | Langmuir | pseudo-second-order | [25] |
| CSm | 5.0 | 200 | 25 | 152.0 | Langmuir | pseudo-second-order | [26] |
| TC-EDA-CS | ≥4.0 | 1440 | 25 | 217.1 | Langmuir | pseudo-second-order | [27] |
| Cell-PEI | 7.0 | 500 | 25 | 288.0 | Langmuir | pseudo-second-order | [32] |
| SCOA2 | 6.5 | 600 | 30 | 343.3 | Langmuir-Freundlich | pseudo-second-order | this work |