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Investigation of ideal zirconium-doped perovskite-type ceramic membrane materials for oxygen separation
Tong, JH; Yang, WS; Zhu, BC; Cai, R
KeywordInorganic Membranes Zirconium Perovskite Oxygen Separation Mixed Conductor
Source PublicationJOURNAL OF MEMBRANE SCIENCE
2002-06-30
Volume203Issue:1-2Pages:175-189
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS SubjectEngineering, Chemical ; Polymer Science
WOS Research AreaEngineering ; Polymer Science
WOS KeywordYTTRIA-STABILIZED ZIRCONIA ; PARTIAL OXIDATION ; DENSE PEROVSKITE ; PERMEATION ; PERMEABILITY ; REACTORS ; METHANE ; SEMIPERMEABILITY ; CONDUCTIVITY ; SYNGAS
AbstractZirconium-doped perovskite-type membrane materials of BaCo0.4Fe0.6-xZrxO3-delta (x = 0-0.4) with mixed oxygen ion and electron conductivity were synthesized through a method of combining citric and EDTA acid complexes. The results of X-ray diffraction (XRD), oxygen temperature-programmed desorption (O-2-TPD) and hydrogen temperature-programmed reduction (H-2-TPR) showed that the incorporation of proper amount of zirconium into BaCo0.4Fe0.6O3-delta could stabilize the ideal and cubic structure of perovskite. Studies on the oxygen permeability of the as-synthesized membrane disks under air/He gradient indicated that the content of zirconium in these materials had great effects on oxygen permeation flux, activation energy for oxygen permeation and operation stability. The high oxygen permeation flux of 0.90 ml cm(-2) min(-1) at 950degreesC, the single activation energy for oxygen permeation in the range of 600-950 degreesC and the long-term operation stability at a relatively lower operational temperature of 800 degreesC under air/He gradient were achieved for the BaCo0.4Fe0.4Zr0.2O3-delta material. Meanwhile, the effect of carbon dioxide on structural stability and oxygen permeability of this material was also studied in detail, which revealed that the reversible stability could be attained for it. (C) 2002 Elsevier Science B.V. All rights reserved.
Language英语
URL查看原文
WOS IDWOS:000176241800015
Citation statistics
Cited Times:154[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/85697
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Tong, JH,Yang, WS,Zhu, BC,et al. Investigation of ideal zirconium-doped perovskite-type ceramic membrane materials for oxygen separation[J]. JOURNAL OF MEMBRANE SCIENCE,2002,203(1-2):175-189.
APA Tong, JH,Yang, WS,Zhu, BC,&Cai, R.(2002).Investigation of ideal zirconium-doped perovskite-type ceramic membrane materials for oxygen separation.JOURNAL OF MEMBRANE SCIENCE,203(1-2),175-189.
MLA Tong, JH,et al."Investigation of ideal zirconium-doped perovskite-type ceramic membrane materials for oxygen separation".JOURNAL OF MEMBRANE SCIENCE 203.1-2(2002):175-189.
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