Table 4.
Nitrate adsorption parameters of different LDHs.
| Material | Adsorption capacity (mg/g) | T (°C) | pH | Ref |
|---|---|---|---|---|
| Mg4Fe-Cl-LDH | 8.71 | 25 | 7 | 27 |
| Mg4Fe-Cl-LDH | 7.69 | |||
| Mg3Al-Cl-LDH | 8.97 | |||
| 500-Mg2Al-Cl-LDO | 11.93 | 25 | 7.1 | 2 |
| 500-Mg3Al-Cl-LDO | 26.95 | |||
| 500-Mg4Al-Cl-LDO | 34.36 | |||
| Biochar/MgFe-LDH | 24.8 | 22 ± 0.5 | – | 3 |
| NiFe-Cl-LDH | 2.35 | RT | – | 39 |
| 450-Co1.5Mg1.5Al-LDO | 12.2 | 30 | 7 | 8 |
| 450-Co2.5Mg0.5Al-LDO | 5.63 | |||
| 450-Co1.5Mg1.5Fe-LDO | 4.69 | |||
| 450-Cu1.5Zn1.5Al-LDO | 1.43 | |||
| 450-Mg3Al0.1Fe0.9-LDO | 123.3 | |||
| MgAl-CO3-LDH | 0.72 | 25 ± 2 | 6 | 18 |
| ZnCr-Cl-LDH | 2.24 | |||
| MgMn-Cl-LDH | 0.76 | |||
| MgCr-Cl-LDH | 1.96 | |||
| CaCr-Cl-LDH | 1.04 | |||
| FeMgMn-LDH | 10.56 | 25 | 7 | This study |