Multiple zeolite adsorbent layers in oxygen separation

Details Multiple zeolite adsorbent layers in oxygen separation Multiple zeolite adsorbent layers in oxygen separation

1995-01-17

1996-06-25

Spitzer, Robert

Gas separation: processes

Solid sorption

Including reduction of pressure

95101, 95105, 95122, 95130, 95139, 96130, 96132, 96133, 96144, 96154, B01D 53047

Patent

active

055296106

ABSTRACT:
The present invention is an apparatus and process for separating oxygen from air by adsorption of at least nitrogen on multiple layers of air separation adsorbent in an adsorption bed wherein the multiple layers are Na X-zeolite followed by at least another layer of adsorbent selected from the group consisting of Ca X-zeolite, Li X-zeolite, Ca A-zeolite followed by Ca X-zeolite, Ca A-zeolite followed by Li X-zeolite, Ca X-zeolite followed by Li X-zeolite, Li X-zeolite followed by Ca X-zeolite and Mg A-zeolite followed by Ca X-zeolite.

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