Patent ID: 6605132
Filing Date: 2003-08-12
Classification: B01D,B60H,F24F,Y02C

Abstract:
A method of treating air for supply to an enclosed space in which it is to be breathed, the method comprising:providing contaminated air from the atmosphere and/or contaminated air recirculated from the enclosed space, the contaminated air comprising carbon dioxide and contaminants, the contaminants being other than oxygen, carbon dioxide, and nitrogen; passing the contaminated air through a first chamber of a regenerative adsorption assembly, the regenerative adsorption assembly comprising at least two chambers, wherein each chamber of the regenerative adsorption assembly contains an adsorbent material for adsorption of (i) the carbon dioxide in the contaminated air, and (ii) the contaminants in the contaminated air, wherein the regenerative adsorption assembly produces treated air that has an acceptable composition for breathing; and supplying the treated air from the regenerative adsorption assembly to the enclosed space.