Research Article
CH4/N2 Adsorptive Separation on Zeolite X/AC Composites
Table 1
Pore structure properties and CH4/N2 adsorptive separation performance of samples.
| Samples | SBET (m2/g) | Smic (m2/g) | Sext (m2/g) | Vmic (cm3/g) | Vtotal (cm3/g) | Adsorption capacity (cm3/g) | α | CH4 | N2 |
| ZAC(4) | 816 | 694 | 121 | 0.275 | 0.633 | 16.1 | 7.52 | 2.1 | ZAC(16) | 965 | 828 | 136 | 0.341 | 0.725 | 19.1 | 8.37 | 2.3 | ZAC(24) | 1018 | 868 | 150 | 0.357 | 0.765 | 22.6 | 9.39 | 2.4 | ZAC(32) | 871 | 709 | 168 | 0.293 | 0.699 | 18.2 | 8.25 | 2.2 | HZAC(4) | 610 | 482 | 128 | 0.196 | 0.459 | 14.4 | 5.16 | 2.7 | HZAC(16) | 741 | 592 | 149 | 0.238 | 0.555 | 16.4 | 5.12 | 3.2 | HZAC(24) | 802 | 627 | 175 | 0.273 | 0.636 | 17.3 | 5.10 | 3.4 | HZAC(32) | 695 | 511 | 184 | 0.211 | 0.572 | 16.0 | 5.12 | 3.1 |
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