METHOD AND APPARATUS FOR SEPARATING OXYGEN FROM AIR

PURPOSE:To shorten the adsorption-desorption cycle, improve the efficiency, and simplify the operation of an oxygen separation process, by making the adsoption layer with a nitrogen adsorbent and a porous material for restricting gas transmission, and enlarging the crosssectional area of the adsorpt...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAHARA HIROMI, UEDA YOUJI, AONO KOUJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To shorten the adsorption-desorption cycle, improve the efficiency, and simplify the operation of an oxygen separation process, by making the adsoption layer with a nitrogen adsorbent and a porous material for restricting gas transmission, and enlarging the crosssectional area of the adsorption layer. CONSTITUTION:Air compressed with the compressor 1 is introduced through the dehumidifier 2 and the distributor 3 into the elements 5-10 packed with the molded form of, e.g. zeolite (A). The elements are placed in a closed vessel 4. Nitrogen is adsorbed with the elements 5-10, and only the oxygen is left in the closed vessel 4. When the zeolite (A) in the elements 5-10 is saturated with adsorbed nitrogen, the feed of air is stopped and the elements are opened to the atmosphere by the change-over of the distributor 3. By this procedure, the nitrogen adsorbed to the elements 5'10 is desorbed from the zeolite (A) and the elements are regenerated.