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How PSA Nitrogen Generation Works

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PSA Nitrogen generation is a cost-effective alternative to delivered gas

On Site's PSA nitrogen generator technology assures quick returns on your investment and stable year-to-year gas costs.

 

How PSA Nitrogen Generation Works

Ad-sorption is the physical process of separating molecules. Our Pressure Swing Adsorption (PSA) systems generate nitrogen, by separating it from the oxygen in ordinary air.

A vessel containing carbon molecular sieve, or CMS, is filled with compressed air. The smaller oxygen molecules are adsorbed by the sieve material while the larger nitrogen molecules drift past and are collected in a nitrogen receiver.

Pressure is then released from the vessel, and the oxygen molecules are vented to the atmosphere. At the same time, the cycle is repeated in a second vessel to provide a flow of gas into the nitrogen receiver.

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