MFI and FAU-Type Zeolites as Trapping Materials for Light Hydrocarbons Emission Control at Low Partial Pressure and High Temperature

Table 1

Zeolitic materials used for adsorption tests.

Sample	Form	Si/Al	Pore opening, Å	Surface area^a, m^2/g	Pore volume^b, cm^3/g
HZSM-5	Powder	15	5.3 × 5.6	405	0.24
			5.1 × 5.5
Silicalite	Powder		5.3 × 5.6	400	0.24
			5.1 × 5.5
HY	Powder	15	7.4	730	0.51

Data provided by the manufacturer.
^bData from [11].