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Article | REF: J3606 V1

Purification of gases through the PSA(Pressure Swing Adsorption) process - fundamentals and cycles at pressure

Author: Guillaume de SOUZA

Publication date: September 10, 2009, Review date: June 1, 2022

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1. Scope of application

A PSA (Pressure Swing Adsorption) process can be compared schematically to a gas filter, which is perfectly reversible, allowing certain molecules to pass through and stopping others that remain trapped in the adsorbent's porous structure.

Pressure-modulated cycle Pressure Swing
Figure 1  -  Pressure-modulated cycle Pressure Swing

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