| Rate determining step in sdc-ssaf dual-phase oxygen permeation membrane | |
| Li, Claudia1; Li, Wenping2; Chew, Jiuan Jing1; Liu, Shaomin3; Zhu, Xuefeng2; Sunarso, Jaka1 | |
| 刊名 | Journal of membrane science
 |
| 2019-03-01 | |
| 卷号 | 573页码:628-638 |
| 关键词 | Activation energy Ambipolar conductivity Dual-phase membrane Modelling Oxygen permeation |
| ISSN号 | 0376-7388 |
| DOI | 10.1016/j.memsci.2018.12.044 |
| 通讯作者 | Zhu, xuefeng(zhuxf@dicp.ac.cn) ; Sunarso, jaka(jsunarso@swinburne.edu.my) |
| 英文摘要 | Dense mixed ionic-electronic conducting (miec) dual-phase ce0.85sm0.15o1.925-sm0.6sr0.4al0.3fe0.7o3-delta (sdc-ssaf) represents one of the most attractive oxygen-selective membrane materials for oxygen separation from air above 700 degrees c. its high phase stability in reducing atmosphere and co2 resistance allows its potential direct integration into oxyfuel combustion and membrane reactor applications. in this work, the oxygen permeation parameters and properties of sdc-ssaf are evaluated theoretically using the zhu model, which analyses the role of interfaces in electrochemical oxygen permeation. the model produced good correlation with the experimental data (r-2 = 0.9990), with the calculated resistance constants indicating higher resistance encountered at the feed side interface as compared to the permeate side. an analysis of the characteristic thickness indicates increasing influence of surface exchange reactions with decreasing temperature, feed side pressure, and permeate side pressure. although oxygen permeation is dependent upon various operating conditions, our parametric study reveals that temperature effect surpasses oxygen partial pressure difference effect in enhancing the oxygen permeation flux. oxygen permeation is limited by surface reactions between 800 and 850 degrees c and mixed bulk diffusion and surface exchange reactions between 850 and 875 degrees c. above 875 degrees c, the rate determining step shifts to bulk diffusion. |
| WOS关键词 | HOLLOW-FIBER MEMBRANE ; MIXED CONDUCTING PEROVSKITE ; CERAMIC-BASED MEMBRANES ; TRANSPORT-PROPERTIES ; PARTIAL OXIDATION ; COMPOSITE ; PERMEABILITY ; REACTOR ; STABILITY ; SRCO0.9NB0.1O3-DELTA |
| WOS研究方向 | Engineering ; Polymer Science |
| WOS类目 | Engineering, Chemical ; Polymer Science |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCIENCE BV |
| WOS记录号 | WOS:000454830600066 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2372919 |
| 专题 | 大连化学物理研究所 |
| 通讯作者 | Zhu, Xuefeng; Sunarso, Jaka |
| 作者单位 | 1.Swinburne Univ Technol, Fac Engn Comp & Sci, Res Ctr Sustainable Technol, Jalan Simpang Tiga, Kuching 93350, Sarawak, Malaysia 2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, 457 Zhongshan Rd, Dalian 116023, Peoples R China 3.Curtin Univ, Dept Chem Engn, Perth, WA 6845, Australia |
| 推荐引用方式 GB/T 7714 | Li, Claudia,Li, Wenping,Chew, Jiuan Jing,et al. Rate determining step in sdc-ssaf dual-phase oxygen permeation membrane[J]. Journal of membrane science,2019,573:628-638. |
| APA | Li, Claudia,Li, Wenping,Chew, Jiuan Jing,Liu, Shaomin,Zhu, Xuefeng,&Sunarso, Jaka.(2019).Rate determining step in sdc-ssaf dual-phase oxygen permeation membrane.Journal of membrane science,573,628-638. |
| MLA | Li, Claudia,et al."Rate determining step in sdc-ssaf dual-phase oxygen permeation membrane".Journal of membrane science 573(2019):628-638. |
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