DICP OpenIR
Perovskite Oxide Absorbents for Oxygen Separation
He, Yufeng1,2; Zhu, Xuefeng1; Li, Qiming1,2; Yang, Weishen1; Yang WS(杨维慎)
关键词Ba(1-x)Sr(x)Co(0.8)Fe(0.2)o(3-delta) Perovskite Oxides Oxygen Absorption/desorption Ionic Radius
刊名AICHE JOURNAL
2009-12-01
DOI10.1002/aic.11931
55期:12页:3125-3133
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
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]LANTHANUM COBALTITE PEROVSKITE ; DENSE CERAMIC MEMBRANES ; HIGH-TEMPERATURE ; AIR SEPARATION ; PERMEATION PROPERTIES ; SORPTIVE PROPERTIES ; A-SITE ; EQUILIBRIUM ; ADSORPTION ; STABILITY
英文摘要The fixed-bed oxygen absorption processes of the series of Ba(1-x)Sr(x)Co(0.8)Fe(0.2)O(3-delta) oxides were studied by oxygen partial pressure swing absorption in the temperature range of 300-850 degrees C. The results show that Ba(1-x)Sr(x)Co(0.8)Fe(0.2)O(3-delta), with the smallest A-site ion radius, has the largest oxygen absorption capacity (0.402 mmol/g) at 500 degrees C. The oxygen absorption and desorption kinetics fit well with the pseudo-second-order kinetics model. Comparing the modeling absorption rate coefficient k(2) with the desorption rate coefficient k(2)', all the oxides studied had higher oxygen absorption rates than oxygen desorption ones. In addition, the combined results of X-ray diffraction analysis, O(2)-TPD, room temperature iodometric titration, and thermogravimetric analysis explained the relationship between the oxygen absorption capacities and the average radii of the A-site ions for this series of Ba(1-x)Sr(x)Co(0.8)Fe(0.2)O(3-delta) in the temperature range of 300-600 degrees C. (C) 2009 American Institute of Chemical Engineers AIChE J, 55: 3125-3133, 2009
语种英语
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WOS记录号WOS:000272314400010
引用统计
被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/102969
专题中国科学院大连化学物理研究所
通讯作者Yang WS(杨维慎)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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He, Yufeng,Zhu, Xuefeng,Li, Qiming,et al. Perovskite Oxide Absorbents for Oxygen Separation[J]. AICHE JOURNAL,2009,55(12):3125-3133.
APA He, Yufeng,Zhu, Xuefeng,Li, Qiming,Yang, Weishen,&杨维慎.(2009).Perovskite Oxide Absorbents for Oxygen Separation.AICHE JOURNAL,55(12),3125-3133.
MLA He, Yufeng,et al."Perovskite Oxide Absorbents for Oxygen Separation".AICHE JOURNAL 55.12(2009):3125-3133.
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