Oxygen Permeation and Stability of Ba0.5Sr0.5Co0.8Fe0.2O3-δ Membrane According to Trace Elements and Oxygen Partial Pressure in Synthetic Air

被引：26
|
作者：
Park, Jung Hoon [1 ]
Kim, Jong Pyo [1 ]
Son, Sou Hwan [1 ]
机构：
[1] Korea Inst Energy Res, Taejon 305343, South Korea
来源：
GREENHOUSE GAS CONTROL TECHNOLOGIES 9 | 2009年 / 1卷 / 01期
关键词：
Ba0.5Sr0.5Co0.8Fe0.2O3-delta; ceramic membrane; oxygen permeation; CO2; contaminat; PEROVSKITE; PERMEABILITY;
D O I：
10.1016/j.egypro.2009.01.050
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A dense membrane of perovskite Ba0.5Sr0.5Co0.8Fe0.2O3-delta has been successfully prepared by polymerized complex method. Oxygen permeation according to carbon dioxide concentrations was measured in the oxygen partial pressure range of 2.1 x 10(-3) similar to 0.63 atm and phase stability of membrane were examined using SEM-EDS. The oxygen flux increased with increasing temperature and pressure difference and the maximum oxygen permeation flux through 1.0 mm membrane was ca. 3.7 ml/cm(2).min at 950 degrees C. The oxygen permeation in the condition of air and CO2 (300 similar to 700 ppm) in feed stream decreased more than 43% in comparison with air feed stream. (C) 2008 Elsevier Ltd. All rights reserved
引用
收藏
页码：369 / 374
页数：6
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