Table 1.
Brunauer–Emmett–Teller (BET) analysis of biochar, Fe3O4, and Fe3O4/biochar.
| Samples | Biochar | Fe3O4 | Fe3O4/biochar |
|---|---|---|---|
| Specific surface area (m2/g) | 42.08 | 67.12 | 114.85 |
| Pore size diameters (nm) | 4.34 | – | 5.78 |
| Pore volume (cm3/g) | 0.27 | – | 0.39 |
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