Rotary pressure swing adsorption apparatus

Details Rotary pressure swing adsorption apparatus Rotary pressure swing adsorption apparatus

B - Operations, Transporting

01

D

B01D 53/047 (2006.01) B01D 53/04 (2006.01) B01D 53/06 (2006.01)

Patent

CA 2374292

Gas separation by pressure swing adsorption (PSA) is performed within an apparatus having a plurality of adsorbers cooperating with first and second valve means in a rotary PSA module, with the PSA cycle characterized by multiple intermediate pressure levels between the higher and lower pressures of the PSA cycle. Gas flows enter or exit the PSA module at the intermediate pressure levels as well as the higher and lower pressure levels, under substantially steady conditions of flow and pressure. The PSA module comprises a rotor containing laminated sheet adsorbers and rotating within a stator, with ported valve faces between the rotor and stator to control the timing of the flows entering or exiting the adsorbers in the rotor.

On effectue la séparation de gaz par adsorption modulée en pression (PSA) dans un appareil qui possède une pluralité d'adsorbeurs coopérant avec un premier et un second organe à valve situés dans un module PSA rotatif, et dont le cycle PSA est caractérisé par de multiples niveaux de pression intermédiaires entre la pression la plus haute et la pression la plus basse de ce cycle. Des flux de gaz entrent ou sortent du module PSA aux niveaux de pression intermédiaires de même qu'au niveau le plus élevé et qu'au niveau le plus bas, dans des conditions de flux et de pression sensiblement stables. Ce module PSA comprend un rotor contenant des adsorbeurs stratifiés en planche qui tourne dans un stator, avec des faces formant valve entre le rotor et le stator de façon à contrôler la synchronisation des flux entrant ou sortant des adsorbeurs dans le rotor.

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