Gas separation: processes – Solid sorption – Including reduction of pressure
Patent
1995-10-04
1997-08-12
Spitzer, Robert
Gas separation: processes
Solid sorption
Including reduction of pressure
95 98, 95105, 95122, 95139, B01D 53047
Patent
active
056560656
ABSTRACT:
Pressure swing apparatus comprises at least three parallel beds of adsorbent operated on cycles of being on-line to adsorb contaminant from a feed gas stream under pressure, being depressurized, being regenerated by a purge gas, and being repressurised. Feed gas is transferred from a depres-surising bed to a repressurizing bed to reduce switch loss and repressurization is extended to occupy at least 50% of the cycle to smooth the feed gas output.
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Kalbassi Mohammed Ali
Suchdeo Shyam Ramchand
Air Products and Chemicals Inc.
Chase Geoffrey L.
Spitzer Robert
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