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题名: Operation of perovskite membrane under vacuum and elevated pressures for high-purity oxygen production
作者: Zhu, Xuefeng1;  Sun, Shumin1;  Cong, You1;  Yang, Weishen1
通讯作者: 杨维慎
关键词: Oxygen recovery ;  Oxygen production ;  Vacuum ;  Perovskite membrane ;  BSCFO
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2009-12-01
DOI: 10.1016/j.memsci.2009.08.020
卷: 345, 期:1-2, 页:47-52
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 504
产权排名: 1;1
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: Oxygen permeation through Ba(0.5)Sr(0.5)Co(0.8)Fe(0.2)O(3-delta) (BSCFO) perovskite tubular membranes was investigated under vacuum and elevated pressures conditions. This paper is focused on dependence of oxygen permeation flux on oxygen recovery, temperature and feed pressure. Oxygen flux decreases with the raise of oxygen recovery, more quickly when the recovery is larger than about 60%. Elevating the feed pressure speeds up the decrease of oxygen fluxes against oxygen recovery. Oxygen permeation flux increases with the feed pressure of air, however, the increment decreases gradually. Oxygen permeation flux and recovery increase with temperature gradually at a constant airflow rate and pressure. The permeation flux reached 9.5 cm(3)/cm(2) min at an oxygen recovery of 48% under the condition of 925 degrees C and vacuum pressure of similar to 100 Pa for permeation side and 7 atm for feed side. Long-term operation under vacuum and elevated pressure shows that oxygen purity larger than 99.4% can be obtained when silver was used as sealant. (C) 2009 Elsevier B.V. All rights reserved
关键词[WOS]: DENSE CERAMIC MEMBRANES ;  HOLLOW-FIBER MEMBRANES ;  PERMEABLE MEMBRANE ;  PARTIAL OXIDATION ;  METHANE CONVERSION ;  BA0.5SR0.5CO0.8FE0.2O3-DELTA ;  PERMEATION ;  SYNGAS ;  SEPARATION ;  REACTORS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000271588000007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102005
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

Recommended Citation:
Zhu, Xuefeng,Sun, Shumin,Cong, You,et al. Operation of perovskite membrane under vacuum and elevated pressures for high-purity oxygen production[J]. JOURNAL OF MEMBRANE SCIENCE,2009,345(1-2):47-52.
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