Research Article
Enrichment and Separation of Methane Gas by Vacuum Pressure Swing Adsorption
Table 3
Adsorption tower parameters.
| Parameter | Value | Unit | Description |
| Hb | 500 | mm | Height of adsorbent layer | Db | 60 | mm | Internal diameter adsorbent layer | Ei | 0.38 | m3void/m3bed | Interparticle voidage | Ep | 0.7 | m3void/m3bed | Intraparticle voidage | RHOs | 512 | kg/m3 | Bulk solid density of adsorbent | Rp | 0.0012 | m | Adsorbent particle radius | Sfac | 0.83 | n/a | Adsorbent shape factor | MTC (“CH4”) | 0.049 | 1/s | Constant mass transfer coefficients | MTC (“N2”) | 0.092 | 1/s | Constant mass transfer coefficients |
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