Function of PSA water ring vacuum pump
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Reduce the pressure in the pressure swing adsorption tower further to enable more complete desorption of the gas?
By creating a vacuum, the impurities adsorbed on the adsorbent are removed; this is the stage for regenerating the adsorbent after it becomes saturated. Generally, adsorbent regeneration involves two methods: vacuum regeneration and back-flushing regeneration.
You first need to understand the principle of adsorption desorption. There are several methods for hydrogen purification, such as TPSA, PSA, VPSA, etc. The water ring vacuum pump you mentioned is used for vacuum-based PSA; by creating a vacuum, the impurities adsorbed on the adsorbent are released, allowing for more thorough desorption without any loss of hydrogen. This is better compared to the backwashing regeneration method