A Comparative Study of Solvothermal and Sol-Gel-Derived Nanocrystalline Alumina Catalysts for Ethanol Dehydration

Table 2

NH₃-TPD results of different alumina catalysts.

Catalyst	Number of acid sites (mol NH3/g catalyst)
	Weak to moderate	Strong	Weak/strong	Total
Al-SV	360	441	0.82	801
Al-SG	235	386	0.61	621
Al-com	256	442	0.58	698