Double Stage PSA Nitrogen Generator. 99.999% N2 at up to 5L/min
The N2-Sirocco model of Nitrogen Gas Generator have been designed for applications requesting larger flow and highest purity of Nitrogen. They use the Double Stage Pressure Swing Adsorption (DS-PSA) principle to produce high purity Nitrogen which eliminates the need for costly, inconvenient high pressure cylinders in laboratories. N2-Sirocco models include internal oil free compressors and deliver a continuous stream of 99.999% pure Nitrogen gas.
The Double Stage PSA Principle
The generation of nitrogen gas is divided into two steps: in the first step, the compressed air is forced to pass through a carbon molecular sieve to produces nitrogen at a purity of aprox 98%; in the second step this nitrogen is forced to pass into a second carbon molecular sieve and the nitrogen gas reaches a final purity up to 99.999%. The purge Gas from the second step is recycled and partially used as feed gas in the first step.
In addition, the purge process is supported by active evacuation for better performance in the next cycle.
Therefore, the ratio between inlet compressed air and nitrogen production is ONLY 8:1, ( instead of 12:1 for the traditional PSA system used by all competitors nitrogen generators), so the life time of all the components is much higher and the system works more economical.
the DS-PSA technique patent pending
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Tags: Chromatography, DS-PSA, gas, gc, generator, N2, nitrogen, Pressure Swing Adsorption, PSA
