Table 2 The textural properties of γ-Al2O3 with different Nb2O5 loadings.
Sample (wt%) | BET surface (m2 g−1) | Pore volume (cm3 g−1) | Average pore diameter (nm) | |
---|---|---|---|---|
BJH adsorption | BJH desorption | |||
0 | 70.86 | 0.63 | 26.93 | 26.42 |
1 | 74.02 | 0.61 | 27.79 | 25.39 |
3 | 73.36 | 0.55 | 25.30 | 24.92 |
3.4 | 81.75 | 0.48 | 22.86 | 23.70 |
4.7 | 116.49 | 0.46 | 17.21 | 21.88 |
9.4 | 130.99 | 0.32 | 10.77 | 14.29 |
26.6 | 123.18 | 0.25 | 1.45 | 1.85 |
33.9 | 103.63 | 0.23 | 1.40 | 1.90 |