Method and device for reducing the carbon dioxide concentration in air
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United States of America Patent
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Oct 13, 2009
Grant Date -
Jun 5, 2008
app pub date -
Jul 7, 2005
filing date -
Jan 7, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
selectivity 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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