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| Catalyst | S BET a (m2 g−1) | V p b (cm3 g−1) | D p b (nm) |
|---|---|---|---|
| TiO2 | 53 | 0.15 | 11.3 |
| Cu/TiO2 | 52 | 0.33 | 25.2 |
| Cu–Re(3 : 1)/TiO2 | 60 | 0.39 | 26.0 |
| Cu–Re(2 : 1)/TiO2 | 59 | 0.36 | 25.6 |
| Cu–Re(1 : 1)/TiO2 | 60 | 0.32 | 25.6 |
| Re/TiO2 | 61 | 0.33 | 26.4 |
The specific surface area was calculated by using the BET method.
The pore size and pore volumes were derived from the adsorption branches of isotherms by using the BJH model.
