MULTIBED PRESSURE SWING ADSORPTION APPARATUS AND A METHOD FOR THE OPERATION THEREOF

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 depressurised, being regenerated by a purge gas, and being repressurised. Feed gas is transferred from a depres-surising...

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Hauptverfasser: SUCHDEO, SHYAM RAMCHAND, KALBASSI, MOHAMMED ALI
Format: Patent
Sprache:eng ; fre
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Zusammenfassung: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 depressurised, being regenerated by a purge gas, and being repressurised. Feed gas is transferred from a depres-surising bed to a repressurising bed to reduce switch loss and repressurisation is extended to occupy at least 50% of the cycle to smooth the feed gas output.