THE WAVE APPROACH TO MODELLING THE PROCESSES PRESSURE SWING ADSORPTION
DOI:
https://doi.org/10.18198/j.ind.gases.2013.0695Keywords:
Wave adsorption, Pressure swing adsorption, Oxygen, Nitrogen, AdsorbentAbstract
Many companies manufacture the pressure swing adsorption (PSA) installations for extraction of oxygen, nitrogen, hydrogen and other gases from air and various mixtures. In spite of that there is no reliable technique for description of the processes occurring in the PSA-installations. A new technique for calculation of the pressure swing adsorption processes without heating has been proposed, and it was based on the wave approach to the description of non-stationary periodic heat-mass exchange processes. The analysis of solutions for the installations intended for obtaining oxygen from air has been presented. The conditions necessary for highly efficient operation of the PSA-installations have been formulated. The results of calculations for different zeolite brands have been presented. They allow to optimize making zeolite brands choice under the given working conditions.
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