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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5. Practical representations of PSA cycles

The most efficient PSAs, or those handling high flow rates, feature a large number of adsorbers interacting with each other and operating cyclically. In order to follow the principle of their operation, it is necessary to have a suitable graphic representation. Several systems exist, with varying degrees of sophistication. One of the most widely used is to represent a pressure cycle over time, dividing it into as many "slices" of equal duration as there are adsorbers, in order to visualize the exchanges between them. Another is to represent a cycle in the form of a table with as many rows as there are adsorbers, and as many cells per row as there are steps in the cycle (generally no more than three cells per column).

5.1 Graphical representation of a PSA cycle

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Practical representations of PSA cycles
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