Contribution of the Surface Reactions to the Overall Oxygen Permeation of the Mixed Conducting Membranes

2006 ◽  
Vol 45 (8) ◽  
pp. 2824-2829 ◽  
Author(s):  
Xianfeng Chang ◽  
Chun Zhang ◽  
Zhentao Wu ◽  
Wanqin Jin ◽  
Nanping Xu
Keyword(s):  
Surface Reactions ◽  
Oxygen Permeation ◽  
Conducting Membranes

Mixed conducting membranes - Macrostructure related oxygen permeation flux

AIChE Journal ◽  
2010 ◽  
Vol 56 (12) ◽  
pp. 3084-3090 ◽  
Author(s):  
Barbara Zydorczak ◽  
Kang Li ◽  
Xiaoyao Tan
Keyword(s):  
Oxygen Permeation ◽  
Permeation Flux ◽  
Oxygen Permeation Flux ◽  
Conducting Membranes

Experimental and modeling study of oxygen permeation modes for asymmetric mixed-conducting membranes

2008 ◽  
Vol 322 (2) ◽  
pp. 429-435 ◽  
Author(s):  
Xianfeng Chang ◽  
Chun Zhang ◽  
Xueliang Dong ◽  
Chao Yang ◽  
Wanqin Jin ◽  
...  
Keyword(s):  
Oxygen Permeation ◽  
Conducting Membranes ◽  
Modeling Study

Research Progress in Improvement of Oxygen Permeation Properties for Dual-phase Mixed Conducting Membranes

2015 ◽  
Vol 30 (12) ◽  
pp. 1233
Author(s):  
CHEN Ting ◽  
JIANG Wan ◽  
JIANG Wei-Hui ◽  
LIU Jian-Min ◽  
ZHANG Xiao-Jun ◽  
...  
Keyword(s):  
Oxygen Permeation ◽  
Research Progress ◽  
Dual Phase ◽  
Conducting Membranes ◽  
Permeation Properties

scholarly journals Mixed Ionic-Electronic Conducting Membranes (MIEC) for Their Application in Membrane Reactors: A Review

Processes ◽  
2019 ◽  
Vol 7 (3) ◽  
pp. 128 ◽  
Author(s):  
Alba Arratibel Plazaola ◽  
Aitor Cruellas Labella ◽  
Yuliang Liu ◽  
Nerea Badiola Porras ◽  
David Pacheco Tanaka ◽  
...  
Keyword(s):  
Production Systems ◽  
Oxygen Permeation ◽  
Permeation Rate ◽  
Membrane Reactors ◽  
Pure Oxygen ◽  
Dual Phase ◽  
Significant Progress ◽  
Chemical Production ◽  
Perovskite Materials ◽  
Conducting Membranes

Mixed ionic-electronic conducting membranes have seen significant progress over the last 25 years as efficient ways to obtain oxygen separation from air and for their integration in chemical production systems where pure oxygen in small amounts is needed. Perovskite materials are the most employed materials for membrane preparation. However, they have poor phase stability and are prone to poisoning when subjected to CO2 and SO2, which limits their industrial application. To solve this, the so-called dual-phase membranes are attracting greater attention. In this review, recent advances on self-supported and supported oxygen membranes and factors that affect the oxygen permeation and membrane stability are presented. Possible ways for further improvements that can be pursued to increase the oxygen permeation rate are also indicated. Lastly, an overview of the most relevant examples of membrane reactors in which oxygen membranes have been integrated are provided.

Selection of oxygen permeation models for different mixed ionic‐electronic conducting membranes

AIChE Journal ◽  
2017 ◽  
Vol 63 (9) ◽  
pp. 4043-4053 ◽  
Author(s):  
Yue Zhu ◽  
Wenping Li ◽  
Yan Liu ◽  
Xuefeng Zhu ◽  
Weishen Yang
Keyword(s):  
Oxygen Permeation ◽  
Conducting Membranes ◽  
Permeation Models ◽  
Selection Of

Ce0.9Gd0.1O2−δ membranes coated with porous Ba0.5Sr0.5Co0.8Fe0.2O3−δ for oxygen separation

RSC Advances ◽  
2015 ◽  
Vol 5 (7) ◽  
pp. 5379-5386 ◽  
Author(s):  
Chi Zhang ◽  
Ran Ran ◽  
Gia Hung Pham ◽  
Kun Zhang ◽  
Jian Liu ◽  
...  
Keyword(s):  
Short Circuit ◽  
Oxygen Permeation ◽  
Electronic Conduction ◽  
Doped Ceria ◽  
Oxygen Separation ◽  
Oxygen Ion ◽  
Ion Conducting ◽  
Conducting Membranes

Robust oxygen ion conducting membranes based on doped ceria oxides can be used as oxygen permeation membranes with a short circuit to provide the required electronic conduction.

Dense Oxide Membranes for Oxygen Separation and Methane Conversion

1997 ◽  
Vol 497 ◽  
Author(s):  
A. J. Jacobson ◽  
S. Kim ◽  
A. Medina ◽  
Y. L. Yang ◽  
B. Abeles
Keyword(s):  
Methane Conversion ◽  
Bulk Diffusion ◽  
Oxygen Permeation ◽  
Membrane Reactors ◽  
Surface Kinetics ◽  
Oxygen Separation ◽  
Ionic Conducting ◽  
Different Temperatures ◽  
Oxide Membranes ◽  
Conducting Membranes

ABSTRACTMethane conversion to synthesis gas in membrane reactors that use dense mixed electronic-ionic conducting membranes for oxygen separation has received much recent attention. The oxygen flux achievable in these reactors depends on a combination of the bulk diffusion rate for oxygen transport and the surface reaction rate for oxygen activation and either recombination or reaction with methane. Here we compare recent oxygen permeation data for tubular membranes of La0.5Sr0.5Fe0.8Ga0.2O3-δ with our previous results for SrCO0.8Fe0.2O3-δ, SrFeCO0.5O3.25-δ. The pressure dependence of the oxygen permeation flux has been measured at different temperatures and used to determine the relative importance of bulk and surface kinetics for these oxides.

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