IMPROVED CARBON MOLECULAR SIEVE ADSORBENT

IMPROVED CARBON MOLECULAR SIEVE ADSORBENT

Disclosed herein are rapid cycle pressure swing adsorption (PSA) process for separating O2 from N2 and/or Ar. The processes use a carbon molecular sieve (CMS) adsorbent having an O2/N2 and/or O2/Ar kinetic selectivity of at least 5 and an O2 adsorption rate (1 /s) of at least 0.2000 as determined by...

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Bibliographische Detailangaben
Hauptverfasser: BHADRA, SHUBHRA JYOTI, CAO, YONG, GOLDEN, TIMOTHY CHRISTOPHER, WHITLEY, ROGER DEAN, ARSLAN, ERDEM
Format: Patent
Sprache:eng ; fre
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Zusammenfassung:Disclosed herein are rapid cycle pressure swing adsorption (PSA) process for separating O2 from N2 and/or Ar. The processes use a carbon molecular sieve (CMS) adsorbent having an O2/N2 and/or O2/Ar kinetic selectivity of at least 5 and an O2 adsorption rate (1 /s) of at least 0.2000 as determined by linear driving force model at 1 atma and 86 °F. Il est décrit un procédé dadsorption modulée en pression à cycle rapide servant à séparer lO2, le N2 et/ou lAr. Le procédé utilise un adsorbant de tamis moléculaire carboné ayant une sélectivité cinétique pour lO2, le N2 et/ou lAr dau moins cinq et un taux dadsorption de lO2 (1/s) dau moins 0,2000, comme déterminé par le modèle de force motrice linéaire à 1 atma et à 30 °C.