Research Article
Ethanol Dehydration over WO3/TiO2 Catalysts Using Titania Derived from Sol-Gel and Solvothermal Methods
Table 3
The amount of surface acidity of supports and catalysts measured by NH3-TPD.
| | Sample | NH3 desorption (µmol/g cat) | Total acidity (µmol/g cat) | | Weak | Medium | Strong |
| | TiO2-SG | 895 | 662 | 717 | 2274 | | TiO2-SV | 1152 | 1232 | 841 | 3224 | | WO3/TiO2-SG | 1030 | 1054 | 681 | 2765 | | WO3/TiO2-SV | 1558 | 1263 | 823 | 3645 |
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