Abstract
A pressure swing adsorption plant model with pressure dampers and recuperation turbines simulating the process of producing oxygen-enriched air is considered. A computer program that can numerically solve the equations of the mathematical model is developed. The relationship between the plant efficiency and the duration of each stage of the operation cycle and the values of damper resistances is studied. It is shown that when the plant operating conditions are optimal, up to 70% of the work produced in compressing the atmospheric air can be lost at the pressurizing and depressurizing stages. The complete recuperation of the losses of mechanical energy would make it possible to increase the plant thermodynamic efficiency to 29–33%.
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