催化膜反应器用双相SrFe0.95Mo0.05O3-δ- ce0.8 gd0.2 o2 -δ中空纤维膜的性能及氧输运

IF 5.8 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI:10.1016/j.jeurceramsoc.2025.117520

O.V. Cherendina , E.V. Shubnikova , M.O. Khokhlova , R.D. Guskov , M.V. Arapova , O.A. Bragina , H. Jiang , G. He , A.P. Nemudry

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引用次数: 0

摘要

采用Pechini法制备了不同相比的SrFe0.95Mo0.05O3-δ -Ce0.8Gd0.2O2-δ (SFM5-GDC)氧化物双相材料，然后进行球磨和烧结。研究了GDC相含量对双相SFM5-GDC材料氧渗透通量和总电导率的影响。此外，利用两种不同的动力学模型估计了氧通过SFM5-GDC中空纤维膜的表观活化能值。对双相SFM5-GDC中空纤维膜在乙烷氧化脱氢反应中的催化活性研究表明，在空气或CO2为氧源时，SFM5-GDC中空纤维膜均表现出良好的催化活性。此外，还验证了中空纤维膜反应器采用交流电加热制乙烯的可行性。

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Performance and oxygen transport in dual-phase SrFe0.95Mo0.05O3-δ-Ce0.8Gd0.2O2-δ hollow fiber membranes for catalytic membrane reactors

The dual-phase materials based on SrFe_0.95Mo_0.05O_3-δ -Ce_0.8Gd_0.2O_2-δ (SFM5-GDC) oxides with different phase ratios were prepared via Pechini method followed by the ball-milling and sintering. The influence of GDC phase content on the oxygen permeation flux and total conductivity of the dual-phase SFM5-GDC materials was investigated. Furthermore, the apparent activation energy values for oxygen transport through the SFM5-GDC hollow fiber membranes were estimated using two different kinetic models. Studies on the catalytic activity of the dual-phase SFM5-GDC hollow fiber membranes in the oxidative dehydrogenation of ethane showed a good performance when using air or CO₂ as oxygen source. In addition, the feasibility of ethylene production through alternative current heating of the hollow fiber membrane reactor was successfully demonstrated.

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来源期刊

Journal of The European Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

10.70

自引率

12.30%

发文量

863

审稿时长

35 days

期刊介绍： The Journal of the European Ceramic Society publishes the results of original research and reviews relating to ceramic materials. Papers of either an experimental or theoretical character will be welcomed on a fully international basis. The emphasis is on novel generic science concerning the relationships between processing, microstructure and properties of polycrystalline ceramics consolidated at high temperature. Papers may relate to any of the conventional categories of ceramic: structural, functional, traditional or composite. The central objective is to sustain a high standard of research quality by means of appropriate reviewing procedures.