Gas concentrator with improved water rejection capability
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United States of America Patent
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Nov 12, 2013
Grant Date -
Nov 11, 2010
app pub date -
Jul 15, 2010
filing date -
Nov 28, 2006
priority date (Note) -
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Abstract
A feed gas drying system is described for a PSA or VPSA oxygen concentrator. A membrane dryer is inserted into the feed gas path to the concentrator absorbent beds, such that the moisture in the feed gas is directed to a part of the dryer exposed to the concentrator exhaust, thus achieving efficient operation of the membrane dryer with no loss of concentrator feed gas.
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