B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/047 (2006.01) B01D 53/053 (2006.01)
Patent
CA 2242528
In the process for separation in a pressure swing adsorption device comprising an adsorber, two outlet vessels and a rotary machine at the inlet, the rotation of the rotary machine is reversed during the first depressurization step (c-d) then during the first repressurization step (g-h), so that these first steps are each broken down into two sub-steps in which the inlet of the adsorber successively experiences two opposite flows, whereas the outlet of the adsorber experiences a flow, respectively leaving or entering, of constant direction. Application in particular of the production of oxygen from air.
Procédé de séparation utilisant un dispositif d'adsorption modulée en pression comprenant un adsorbeur, deux vaisseaux de sortie et une machine rotative à l'entrée. La rotation de la machine rotative est inversée durant la première étape de dépressurisation (c-d) et ensuite pendant la première étape de recompression (g-h), afin que ces premières étapes soient chacune divisées en sous-étapes pour lesquelles l'entrée de l'adsorbeur reçoit successivement deux débits opposés pendant que la sortie de l'adsorbeur laisse passer un débit, respectivement d'entrée ou de sortie, de direction constante. La présente invention s'applique particulièrement à la production d'oxygène à partir d'air.
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
Swabey Ogilvy Renault
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