Experimental Study of Oxygen Separation in Oxygen- Pressure Swing Adsorption Unit

Experimental Study of Oxygen Separation in Oxygen- Pressure Swing Adsorption Unit

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The pressure swing adsorption (PSA) units are widely used as oxygen sources where Marvel oxygen is produced in a gaseous form.The start-up time of minutes is an undeniable advantage of PSA technology compared to cryogenic air separation having start-up time taking hours or days.The purity of oxygen produced by PSA using nitrogen selective zeolites (type A and type X zeolites) is limited to 95 % oxygen.The pilot-plant adsorption unit utilizes two-bed pressure swing adsorption technology.The nominal capacity of this unit is 1.

4 kg h-1 of gaseous oxygen with a purity of 95 % oxygen.The paper deals to analyze process characteristics of oxygen separation from the air in the pilot-plant adsorption Tumble Dryers unit for the adsorption pressure of 5.5 bar and the defined adsorption cycle.The effect of the number of cycles needed to obtain relevant results was also investigated.