Method and device for reducing the carbon dioxide...

Details Method and device for reducing the carbon dioxide... Method and device for reducing the carbon dioxide...

2005-07-07

2009-10-13

Greene, Jason M (Department: 1797)

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

C095S012000, C095S054000, C095S130000, C095S139000, C095S236000, C096S004000, C096S007000, C096S009000, C096S010000, C096S134000, C096S143000, C096S243000, C096S417000, C055S385200, C055S385400

Reexamination Certificate

active

07601202

ABSTRACT:
The invention relates to a method for reducing the carbon dioxide concentration in air of a closed or partially closed unit of space. The inventive method may comprise the steps of removing an air flow from the unit of space, guiding the air flow in a membrane system that may contain at least one membrane module having a CO2/O2selectivity of greater than 2, removing the carbon dioxide permeated through the membrane, and returning the air flow that has been depleted of carbon dioxide in the membrane system to the unit of space. The inventive method may be optionally combined with an oxygen enrichment method. The invention also relates to corresponding devices for carrying out the inventive method.

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