Investigation of performance of SrFe0.6Cu0.3Ti0.1O3-δ mixed conducting membrane for partial oxidation of methane to syngas

ZHANG Heng; WANG Tingting; NIE Yi; ZHANG Xiangping; LIN Weiming

doi:10.3969/j.issn.0438-1157.2014.05.015

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Investigation of performance of SrFe_0.6Cu_0.3Ti_0.1O₃_-_δ mixed conducting membrane for partial oxidation of methane to syngas

更新时间：2025-12-10

- Investigation of performance of SrFe_0.6Cu_0.3Ti_0.1O₃_-_δ mixed conducting membrane for partial oxidation of methane to syngas
- CIESC Journal Issue 5, (2014)
- 作者机构：
  
  1. 曲阜师范大学化学与化工学院, 山东曲阜,273165
  2. 中国科学院过程工程研究所,北京,100190
  3. 华南理工大学化学与化工学院,广东,广州,510640
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.05.015
  CLC： Q174
- Online First：05 May 2014，
  
  Published：05 May 2014
- 稿件说明：
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ZHANG Heng, WANG Tingting, NIE Yi, et al. Investigation of performance of SrFe_0.6Cu_0.3Ti_0.1O₃_-_δ mixed conducting membrane for partial oxidation of methane to syngas[J]. CIESC Journal, 2014, (5). DOI: 10.3969/j.issn.0438-1157.2014.05.015.
DOI：

ZHANG Heng, WANG Tingting, NIE Yi, et al. Investigation of performance of SrFe_0.6Cu_0.3Ti_0.1O₃_-_δ mixed conducting membrane for partial oxidation of methane to syngas[J]. CIESC Journal, 2014, (5). DOI: 10.3969/j.issn.0438-1157.2014.05.015. DOI：

摘要

采用SrFe0.6Cu0.3Ti0.1O3-δ混合导体透氧膜组装成膜催化反应器，进行甲烷部分氧化制合成气反应，考察了反应温度、空速、催化剂粒径等条件的影响，并分析了反应气氛引起的透氧膜结构变化情况。结果表明，在膜反应器内，催化反应与透氧过程存在相互制约和相互促进的关系。在膜反应器内进行甲烷部分氧化反应后，透氧膜的两侧表面均发生蚀刻现象，结晶度显著降低，反应侧蚀刻现象较为严重，膜表面形成了疏松的多孔层，反应气氛使膜表面晶体结构发生了较大改变，Sr容易从钙钛矿结构中析出并与CO2结合形成SrCO3，Sr的析出导致组成不平衡，促进了钙钛矿结构分解及其他物相的产生。

Abstract

SrFe0.6Cu0.3Ti0.1O3-δ membrane was used to install a membrane reactor for partial oxidation of methane to syngas. The influences of temperature

space velocity and catalyst particle size on the reaction were studied

and the change of the phase structure of the membrane was analyzed. The interaction between the oxygen permeating process and the partial oxidation reaction caused different reaction performance in membrane reactor compared with fixed bed reactor. The crystallinity of both sides of the SrFe0.6Cu0.3Ti0.1O3-δ membrane declined significantly after the catalytic reaction. The decomposition of the perovskite structure and the formation of SrCO3 and other phases were found in the reaction-side surface of the membrane

along with the emergence of loose porous morphology.

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