How does a PSA nitrogen generator work?

Classification: Company news

Release time: 2024-06-10

Summary: Pressure Swing Adsorption (PSA) is a process that utilizes high pressure to attract gases to the surface of a solid. When the pressure increases, gases are adsorbed, and when the pressure decreases, the adsorbed gases are released. PSA can separate gases based on the different affinities of gases for different solid surfaces. For example, if air is passed through a carbon molecular sieve (CMS) adsorption bed under pressure, oxygen will have a stronger affinity than nitrogen, so oxygen will remain in the bed while nitrogen is released. The adsorbed oxygen can be reused by depressurization and release, used for another cycle of producing high-purity nitrogen. Two adsorbent vessels can be used for near-continuous production, and through

Pressure Swing Adsorption (PSA) is a process that uses high pressure to attract gases to the surface of a solid. When the pressure increases, the gas is adsorbed, and when the pressure decreases, the adsorbed gas is released. PSA can separate gases based on the attraction of gases to different solid surfaces. For example, if air is passed through a carbon molecular sieve (CMS) adsorption bed under pressure, oxygen will have a stronger attraction than nitrogen, so oxygen will remain in the bed while nitrogen is released. The adsorbed oxygen can be reused by depressurization and release, used for another cycle of producing high-purity nitrogen. Two adsorbent vessels can be used for near-continuous production and energy savings through pressure equalization, where the gas leaving one vessel depressurizes the second. This is a common industrial practice.
 

Key words: How does a PSA nitrogen generator work?

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