Research Article

CH4/N2 Adsorptive Separation on Zeolite X/AC Composites

Table 1

Pore structure properties and CH4/N2 adsorptive separation performance of samples.

SamplesSBET (m2/g)Smic (m2/g)Sext (m2/g)Vmic (cm3/g)Vtotal (cm3/g)Adsorption capacity (cm3/g)α
CH4N2

ZAC(4)8166941210.2750.63316.17.522.1
ZAC(16)9658281360.3410.72519.18.372.3
ZAC(24)10188681500.3570.76522.69.392.4
ZAC(32)8717091680.2930.69918.28.252.2
HZAC(4)6104821280.1960.45914.45.162.7
HZAC(16)7415921490.2380.55516.45.123.2
HZAC(24)8026271750.2730.63617.35.103.4
HZAC(32)6955111840.2110.57216.05.123.1