Single bed pressure swing adsorption process and system
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United States of America Patent
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-
Dec 5, 2000
Grant Date -
N/A
app pub date -
Feb 9, 1999
filing date -
Feb 9, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A PSA process and system utilizes a combination of cyclic feed, evacuation, purge, and repressurization steps to provide a final gas product enriched in one of the feed components. The process is carried out in a simple system which utilizes a single two-way four-port valve for controlling gas flow between an adsorber vessel and a blower, and the blower is used for the introduction of feed gas into the adsorber and the evacuation of gas from the adsorber. The control of gas flow in either direction between the adsorber vessel and a product gas storage tank is accomplished by two check valves installed in parallel between the vessel and the tank.
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