TABLE 1.
Surface parameters of the prepared silica gel at different CO2 pressures.
CO2 pressure (MPa) | Specific area (m2/g) | Pore volume (ml/g) | Average pore diameter (nm) |
---|---|---|---|
0.10 | 224.260 | 0.147 | 2.817 |
0.15 | 431.483 | 0.0644 | 2.563 |
0.20 | 523.207 | 0.292 | 4.088 |
0.25 | 764.862 | 0.447 | 2.938 |
0.30 | 695.765 | 0.303 | 3.316 |