Enrichment and Separation of Methane Gas by Vacuum Pressure Swing Adsorption

Figure 1

Experimental system: (1) methane cylinder, (2) mass flowmeter, (3) air compressor, (4) buffer tank, (5) drying tank, (6) methanometer, (7) solenoid valve, (8) pressure sensors, (9) vacuum pump, and (10) adsorption tower.