Research Article
CH4/N2 Adsorptive Separation on Zeolite X/AC Composites
Table 2
L-F fitting parameters of CH4 and N2 isotherms on ZAC(ta) and HZAC(ta).
| | Adsorbate | Adsorbent | L-F model | | Qm (cm3/g) | bL-F × 10−3 (kPa−1) | | R2 |
| | N2 | ZAC(4) | 48.6 | 3.3 | 1.14 | 0.999 | | ZAC(16) | 55.0 | 2.7 | 1.09 | 0.999 | | ZAC(24) | 57.4 | 2.2 | 1.02 | 0.999 | | ZAC(32) | 52.0 | 2.7 | 1.08 | 0.999 | | HZAC(4) | 38.5 | 2.6 | 1.13 | 0.999 | | HZAC(16) | 36.7 | 1.7 | 1.01 | 0.999 | | HZAC(24) | 40.1 | 1.5 | 1.00 | 0.999 | | HZAC(32) | 38.2 | 2.3 | 1.09 | 0.998 |
| | CH4 | ZAC(4) | 64.6 | 8.7 | 1.27 | 0.999 | | ZAC(16) | 81.5 | 6.6 | 1.20 | 0.999 | | ZAC(24) | 105.6 | 3.8 | 1.17 | 0.999 | | ZAC(32) | 81.9 | 3.7 | 1.06 | 0.999 | | HZAC(4) | 53.4 | 10.0 | 1.28 | 0.999 | | HZAC(16) | 64.5 | 7.6 | 1.20 | 0.999 | | HZAC(24) | 86.0 | 5.3 | 1.19 | 0.999 | | HZAC(32) | 77.1 | 4.3 | 1.11 | 0.999 |
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