Ethanol Dehydration over WO₃/TiO₂ Catalysts Using Titania Derived from Sol-Gel and Solvothermal Methods

Table 5

The amount of carbon elemental compositions (wt.%) on external surface supports and catalysts after reaction obtained from EDX (the spent catalyst used in the reaction condition at T = 200–400°C for 8.5 hr).

Sample	TiO2-SG	TiO2-SV	WO3/TiO2-SG	WO3/TiO2-SV
C (%)	1.0	1.2	1.8	4.5