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

Table 3

Summary of catalysts for ethylene synthesis and their catalytic ability.

Catalyst	Surface area (m^2/g)	Amount of catalyst	Space velocity (h^−1)	Reaction temperature (°C)	Ethylene yield (%)	References
Al-SV	215	0.05 g	WHSV 8.4	250–350	53–100	This work
H-ZSM-5 (Si/Al = 28)	425	0.2 g	WHSV 0.422	200	9–13	[1]
TiO2/γ-Al2O3	187	1.15 mL	LHSV 26–104	360–550	91–99	[5]
Mn-SAPO-34	473	2.0 g	WHSV 2.0	340	97.8	[26]
H3PO4·12WO3·H2O	104	10 g	WHSV 1.0	250	68	[27]
Tungstophosphoric acid/MCM-41	183	0.2 g	WHSV 2.9	300	97.9	[28]
P/H-ZSM-5 (Si/Al = 12.18)	160	1.5 g	WHSV 3.0	280–440	31–100	[29]
Ag3PW12O40·3H2O	n.a.	0.5 mL	GHSV 6000	220	99.2	[30]
Fe2O3	40	10 mL	LHSV 2.85	500	63.4	[31]
Commercial Al2O3	190	3.0 mL	LHSV 3.0	450	78.1	[32]
H-ZSM-5 (Si/Al = 25)	295	3.0 mL	LHSV 3.0	450	93.6	[32]

n.a. = not applicable.