Flow regulated pressure swing adsorption system
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United States of America Patent
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Jan 22, 2008
Grant Date -
N/A
app pub date -
Apr 12, 2004
filing date -
Apr 24, 1996
priority date (Note) -
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Abstract
Pressure swing adsorption (PSA) separation of a gas mixture is performed in an apparatus with a plurality of adsorbent beds. The invention provides rotary multiport distributor valves to control the timing sequence of the PSA cycle steps between the beds, with flow controls cooperating with the rotary distributor valves to control the volume rates of gas flows to and from the adsorbent beds in blowdown, purge, equalization and repressurization steps.
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