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

Table 1

Physical properties of TiO₂ supports and catalysts.

Sample	SBET (m^2/g)	Pore volume (cm³/g)	Pore diameter (nm)	Crystallite TiO2 size^a (nm)	Crystallite WO3 size^a (nm)	W content^b (wt.%)
TiO2-SG	73	0.13	4.8	12.4	—	—
TiO2-SV	85	0.42	16.5	15.3	—	—
WO3/TiO2-SG	61	0.11	5.1	10.7	6.1	16.3
WO3/TiO2-SV	78	0.30	13.0	14.3	9.0	18.9

^aMeasured by XRD using the Scherrer equation, ^bmeasured by XRF.