Flow regulated pressure swing adsorption system
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United States of America Patent
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Apr 13, 2004
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N/A
app pub date -
May 16, 2002
filing date -
Apr 24, 1996
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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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