Pressure Swing Adsorption

Oxygen generator

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► Pressure Swing Adsorption (PSA) is the most commonly used non-cryogenic oxygen & nitrogen production process and very effective for small and medium capacities.

► The Oxygen generator is composed of two separation vessels filled with molecular sieve adsorbers (Zeolite). As clean and dried compressed air pressurizes one vessel, the nitrogen becomes retained by the molecular sieve and the oxygen goes straight to the outlet of oxygen generator. Once the vessel approached nitrogen saturation, the process switches to the second vessel and the adsorbed nitrogen in the first vessel is released to the ambient air. This process is repeated indefinitely.