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QuestAir's gas purification products employ a process known as pressure swing adsorption (PSA). PSA is based on the adsorption of gases onto special materials known as adsorbents. These adsorbents remove all contaminants from an impure feed stream to produce a purified product gas.
Once the adsorbents near saturation, the impurities are purged, regenerating the adsorbents for the next PSA cycle.
QuestAir's patented technology has reduced the duration of the PSA cycle by up to 10 times in our ‘first generation’ products, and by up to 100 times in our ‘second generation’ products. This allows for a similar reduction in the size of system components such as pressure vessels, piping and structural supports. Our simple, compact and reliable technology is a significant improvement over conventional PSA hydrogen purification systems, and it also has significant advantages over other gas purification technologies such as membranes and cryogenic plants.
QuestAir currently offers a range of PSA products for purifying hydrogen, methane and helium:
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