Microstructure properties of the modified biochars, BC, and AC.
| Parameter | Cs-BC | Zn-BC | Zr-BC | BC | AC |
|---|---|---|---|---|---|
| BET surface area (m2 g−1) | 108.31 | 150.36 | 85.58 | 27.45 | 735.63 |
| Pore size (nm)a | 1.43 | 1.44 | 1.44 | 1.41 | 1.43 |
| Pore volume (cm3 g−1)b | 0.064 | 0.089 | 0.075 | 0.024 | 0.458 |
Barrett, Joyner, and Halenda model, desorption data.
P/P0 = 0.98.