Bi1.5Y0.3Sm0.2O3-La0.8Sr0.2MnO3-δ dual-phase composite hollow fiber membrane for oxygen separation

被引：17
|
作者：
Yang, Chunli [2 ]
Xu, Qiming [2 ]
Liu, Cai [1 ]
Liu, Jianjun [1 ]
Chen, Chusheng [1 ]
Liu, Wei [1 ]
机构：
[1] Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Energy Convers Mat, Hefei 230026, Anhui, Peoples R China
[2] Xian Univ Architecture & Technol, Postdoctoral Mobile Res Stn Mat Sci & Engn, Xian 710055, Shanxi, Peoples R China
来源：
MATERIALS LETTERS | 2011年 / 65卷 / 23-24期
关键词：
Ceramic; Hollow fiber; Oxygen permeation; Electrical properties; METHANE;
D O I：
10.1016/j.matlet.2011.07.062
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dense Bi1.5Y0.3Sm5.2O3-La0.8Sr0.2MnO3-delta hollow fiber membrane was fabricated by the combined phase inversion/sintering technique. The hollow fiber possessed an asymmetric structure. The oxygen permeability of the hollow fiber was measured by exposing its shell side to ambient air and sweeping the core side with helium to carry away the permeated oxygen. An oxygen permeation flux 3.9x10(-7) mol cm(-2) s(-1) was obtained at 850 degrees C under a gradient of air/helium. The oxygen permeation flux was related to the helium sweeping rate, the length of the hollow fiber and the oxygen partial pressure on the feed side, and can be further increased by modifying the membrane surfaces. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：3365 / 3367
页数：3
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