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

Table 2

Elemental compositions (wt.%) on external surface of catalysts obtained from EDX.

Sample	O	Ti	W	Cl	W/Ti
TiO2-SG	44.67	55.33	n.a.	n.a.	n.a
TiO2-SV	44.37	55.63	n.a.	n.a.	n.a
WO3/TiO2-SG	30.71	35.17	33.84	0.28	0.96
WO3/TiO2-SV	39.00	48.25	12.36	0.39	0.26