High frequency rotary pressure swing adsorption apparatus
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United States of America Patent
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May 2, 2000
Grant Date -
N/A
app pub date -
Jun 29, 1998
filing date -
Jun 30, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Pressure swing adsorption separation of a feed gas mixture, to obtain a purified product gas of the less strongly adsorbed fraction of the feed gas mixture, is performed with a cooperating set of 'N' adsorbers in a rotary assembly, with each adsorber communicating at its product end directly to a rotary cyclic displacement chamber, and at its feed end by rotary distributor valve ports to a rotary piston feed compressor and a rotary piston exhaust vacuum pump. The compressor and vacuum pump are integrated with the cycle, and rotate at 'N' times the cycle frequency. Alternative adsorber configurations for high frequency operation are disclosed.
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