9.2.1   Principle of nitrogen generation
9.2.1.1 Membrane type nitrogen separators
9.2.1.2 PSA type nitrogen generators
The availability of nitrogen is plays a crucial role in the use of CA, since the addition of this gas allows the oxygen and CO2 content in a closed space to be reduced. There are two different procedures for separating nitrogen from the air: Membrane separation and pressure swing absorption (PSA).
 

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