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Effect of flow rates of feed and sweep gas on oxygen permeation properties of Ba0.5Sr0.5Co0.8Fe0.2O3-δ membraneopen access공급가스 및 스윕가스 유량에 따른 Ba0.5Sr0.5Co0.8Fe0.2O3-δ 분리막의 산소투과특성
- Other Titles
- 공급가스 및 스윕가스 유량에 따른 Ba0.5Sr0.5Co0.8Fe0.2O3-δ 분리막의 산소투과특성
- Issue Date
- Aug-2015
- Publisher
- Korean Institute of Chemical Engineers
- Keywords
- Ba0.5Sr0.5Co0.8Fe0.2O3-δ; Oxygen Separation; Perovskite
- Citation
- Korean Chemical Engineering Research, v.53, no.4, pp 407 - 411
- Pages
- 5
- Indexed
- SCOPUS
KCI
- Journal Title
- Korean Chemical Engineering Research
- Volume
- 53
- Number
- 4
- Start Page
- 407
- End Page
- 411
- ISSN
- 0304-128X
2233-9558
- Abstract
- Dense ceramic membranes have been prepared using the commercial perovsikite Ba0.5Sr0.5Co0.8Fe0.2O3-δ, powders synthesized by the solid state reaction method. The as-synthesized powders were compressed into disks with 1.0 mm of thickness and the disk was sintered at 1,100 °C for 2 hr. The oxygen permeation flux of Ba0.5Sr0.5Co0.8Fe0.2O3-δ membrane increased with the increasing temperature and oxygen partial pressure. The activation energy for oxygen permeation was increased with the increasing oxygen partial pressure. Oxygen permeation flux at 950 oC were measured at various flow rates of feed and sweep gas. It has been demonstrated that oxygen permeability increased at elevated flow rates of both gases, but the sweep gas is more influential.
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Related Researcher
- Park, Jung Hoon
- College of Engineering (Department of Chemical and Biochemical Engineering)