Research Article
Enrichment and Separation of Methane Gas by Vacuum Pressure Swing Adsorption
Figure 3
Schematic diagram of the PSA process of adsorption tower 1 and 2: (1) intake, (2) adsorption, (3) depressurization, and (4) desorption. (I) Adsorption tower 1. (II) Adsorption tower 2.