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题名: Effects of synthesis methods on oxygen permeability of BaCe0.15Fe0.85O3-delta ceramic membranes
作者: Zhu, Xuefeng;  Cong, You;  Yang, Weishen
关键词: ceramic membrane ;  synthesis methods ;  oxygen separation ;  mixed conducting ;  perovskite oxides
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2006-10-20
DOI: 10.1016/j.memsci.2006.06.020
卷: 283, 期:1-2, 页:158-163
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Chemical ;  Polymer Science
研究领域[WOS]: Engineering ;  Polymer Science
英文摘要: Dense BaCe0.15Fe0.85O3-6 (BCF1585) ceramic membranes synthesized by the solid-state reaction (SSR) method and EDTA-citric acid (EC) process were investigated by X-ray powder diffraction, total conductivity, oxygen permeation, etc. XRD results revealed the perovskite structure of the powders prepared by the EC process was easier to be developed than that of prepared by SSR method. Membranes derived from EC had higher density, pure phase structure and fewer defects comparing to those derived from SSR method. However, membranes derived from SSR method had higher oxygen permeability. Thickness experiments revealed that the oxygen permeation fluxes of the membranes synthesized by both methods are all jointly controlled by surface exchange and bulk diffusion in the range of 0.7-2.0 mm. The long-term oxygen permeation operation revealed that the membranes derived from both methods exhibit good oxygen permeation stability. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: PARTIAL OXIDATION ;  PERMEATION PROPERTIES ;  METHANE CONVERSION ;  SYNGAS ;  MICROSTRUCTURE ;  TRANSPORT ;  PERFORMANCE ;  REACTORS
语种: 英语
WOS记录号: WOS:000240844900020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140180
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China

Recommended Citation:
Zhu, Xuefeng,Cong, You,Yang, Weishen. Effects of synthesis methods on oxygen permeability of BaCe0.15Fe0.85O3-delta ceramic membranes[J]. JOURNAL OF MEMBRANE SCIENCE,2006,283(1-2):158-163.
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