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Oxygen Permeation Properties of Tubular $Ba_{0.5}Sr_{0.5}Co_{0.8}Fe_{0.2}O_{3-{\delta}}$ (BSCF) Membranes under Different Condition of Feed Side and Permeate Side  

Kim, Jong-Pyo (Department of Chemical Engineering, Chungnam National University)
Park, Jung-Hoon (Greenhouse Gas Research Center, Climate Change Technology Research Division, Korea Institute of Energy Research)
Lee, Yong-Taek (Department of Chemical Engineering, Chungnam National University)
Choi, Young-Jong (INNO WILL Corp.)
Publication Information
Membrane Journal / v.21, no.2, 2011 , pp. 155-162 More about this Journal
Abstract
Dense tubular $Ba_{0.5}Sr_{0.5}Co_{0.8}Fe_{0.2}O_{3-{\delta}}$ (BSCF) membranes were prepared by extrusion technique. The phase structure of the $Ba_{0.5}Sr_{0.5}Co_{0.8}Fe_{0.2}O_{3-{\delta}}$ membranes was characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM). Relative density of $Ba_{0.5}Sr_{0.5}Co_{0.8}Fe_{0.2}O_{3-{\delta}}$ tubular membrane was 94.10%. Oxygen permeation was measured at difference operating condition of feed side and permeate side in the temperature range from 700 to $950^{\circ}C$. The oxygen permeation flux of dense tubular $Ba_{0.5}Sr_{0.5}Co_{0.8}Fe_{0.2}O_{3-{\delta}}$ membrane reached maximum 1.37 mL/$min{\cdot}cm^2$ at $900^{\circ}C$ exposed to ambient air (feed side) and vacuum pump (permeate side).
Keywords
oxygen permeation; tubular membrane; BSCF; perovskite;
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Times Cited By KSCI : 3  (Citation Analysis)
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