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Détail de l'auteur
Auteur Lingyi Zhou
Documents disponibles écrits par cet auteur
Affiner la rechercheOxygen permeation through U - shaped K2NiF4 - type oxide hollow - fiber membranes / Yanying Wei in Industrial & engineering chemistry research, Vol. 50 N° 22 (Novembre 2011)
[article]
in Industrial & engineering chemistry research > Vol. 50 N° 22 (Novembre 2011) . - pp. 12727–12734
Titre : Oxygen permeation through U - shaped K2NiF4 - type oxide hollow - fiber membranes Type de document : texte imprimé Auteurs : Yanying Wei, Auteur ; Jun Tang, Auteur ; Lingyi Zhou, Auteur Année de publication : 2012 Article en page(s) : pp. 12727–12734 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Hollow fiber Permeation Résumé : The first oxygen permeation data for a dense hollow-fiber membrane based on a K2NiF4-type oxide are reported. The U-shaped (Pr0.9La0.1)2(Ni0.74Cu0.21Ga0.05)O4+δ (PLNCG) hollow-fiber membranes were prepared by a phase-inversion spinning process. The dependences of the oxygen permeation on the feed air flow rate, sweep helium flow rate, oxygen partial pressure on the shell side, and operating temperature were experimentally investigated. The effects of the bulk diffusion and the surface exchange on the oxygen permeation flux through the U-shaped PLNCG hollow-fiber membranes are also discussed. During around 320 h of operation, a steady oxygen permeation flux of 1.0 mL/(min·cm2) was obtained at 975 °C under conditions of an air feed flow rate of 180 mL/min and a helium sweep flow rate of 55 mL/min. XRD and SEM analyses of the spent hollow-fiber membrane showed the good stability of the U-shaped PLNCG hollow-fiber membranes. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24745746 [article] Oxygen permeation through U - shaped K2NiF4 - type oxide hollow - fiber membranes [texte imprimé] / Yanying Wei, Auteur ; Jun Tang, Auteur ; Lingyi Zhou, Auteur . - 2012 . - pp. 12727–12734.
Chimie industrielle
Langues : Anglais (eng)
in Industrial & engineering chemistry research > Vol. 50 N° 22 (Novembre 2011) . - pp. 12727–12734
Mots-clés : Hollow fiber Permeation Résumé : The first oxygen permeation data for a dense hollow-fiber membrane based on a K2NiF4-type oxide are reported. The U-shaped (Pr0.9La0.1)2(Ni0.74Cu0.21Ga0.05)O4+δ (PLNCG) hollow-fiber membranes were prepared by a phase-inversion spinning process. The dependences of the oxygen permeation on the feed air flow rate, sweep helium flow rate, oxygen partial pressure on the shell side, and operating temperature were experimentally investigated. The effects of the bulk diffusion and the surface exchange on the oxygen permeation flux through the U-shaped PLNCG hollow-fiber membranes are also discussed. During around 320 h of operation, a steady oxygen permeation flux of 1.0 mL/(min·cm2) was obtained at 975 °C under conditions of an air feed flow rate of 180 mL/min and a helium sweep flow rate of 55 mL/min. XRD and SEM analyses of the spent hollow-fiber membrane showed the good stability of the U-shaped PLNCG hollow-fiber membranes. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24745746