ZSM-5/γ-Al₂O₃ Catalysts for Methanol Dehydration: Tuning Pore Structure by Carbon Nanotubes as a Pore-Forming Agent

Table 2

The acidity of the as-prepared materials.

Sample	Activation	Type	Temperature (°C)	Concentration (μmole/m^2)
ZA-1	Inactivated	Lewis	150	0.46
			250	0.04
			350	0.02
		Bronsted	150	0.04
			250	0.02
			350	0
	Activated	Lewis	150	0.26
			250	0.07
			350	0.03
		Bronsted	150	0.17
			250	0.15
			350	0.08
ZA-2	Inactivated	Lewis	150	0.22
			250	0.02
			350	0
		Bronsted	150	0
			250	0
			350	0
	Activated	Lewis	150	0.53
			250	0.06
			350	0.01
		Bronsted	150	0.04
			250	0
			350	0