Imperial College London
Alternate

DrMarcosMillan-Agorio

Faculty of Engineering, Department of Chemical Engineering

Reader in Chemical Engineering
 
 
 
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Contact

 

+44 (0)20 7594 1633marcos.millan

 
 
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Assistant

 

Mrs Sarah Payne +44 (0)20 7594 5567

 
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Location

 

502Roderic Hill BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Pirou:2017:10.1016/j.memsci.2017.08.044,
author = {Pirou, S and Bermudez, JM and Hendriksen, PV and Kaiser, A and Reina, TR and Millan, M and Kiebach, R},
doi = {10.1016/j.memsci.2017.08.044},
journal = {Journal of Membrane Science},
pages = {18--27},
title = {Stability and performance of robust dual-phase (ZrO<inf>2</inf>)<inf>0.89</inf>(Y<inf>2</inf>O<inf>3</inf>)<inf>0.01</inf>(Sc<inf>2</inf>O<inf>3</inf>)<inf>0.10</inf>-Al<inf>0.02</inf>Zn<inf>0.98</inf>O<inf>1.01</inf>oxygen transport membranes},
url = {http://dx.doi.org/10.1016/j.memsci.2017.08.044},
volume = {543},
year = {2017}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - © 2017 Elsevier B.V. Dual-phase composite oxygen transport membranes consisting of 50 vol% Al0.02Zn0.98O1.01and 50 vol% (ZrO2)0.89(Y2O3)0.01(Sc2O3)0.10were successfully developed and tested. The applicability of the membrane in oxy-fuel power plants schemes involving direct exposure to flue gas was evaluated by exposing the membrane to gas streams containing CO2, SO2, H2O and investigating possible reactions between the membrane material and these gases. The analyses of the exposed composites by x-ray diffraction (XRD), x-ray fluorescence (XRF), attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), and Raman spectroscopy revealed excellent stability. Additionally, an electrical conductivity measurement over 900 h confirmed that the composite is stable under prolonged exposure to CO2. However, an instability of the dual-phase membrane under oxygen partial pressures below PO2~10−4atm. was found. Oxygen permeation tests on a 1 mm thick self-standing membrane resulted in an oxygen flux of 0.33 mLNmin−1cm−2at 925 °C in air/N2. Stability tests in CO2with 3 vol% O2demonstrated the potential for the use of 10Sc1YSZ-AZO dual-phase membranes in oxy-combustion processes involving direct exposure to flue gas.
AU  - Pirou,S
AU  - Bermudez,JM
AU  - Hendriksen,PV
AU  - Kaiser,A
AU  - Reina,TR
AU  - Millan,M
AU  - Kiebach,R
DO  - 10.1016/j.memsci.2017.08.044
EP  - 27
PY  - 2017///
SN  - 0376-7388
SP  - 18
TI  - Stability and performance of robust dual-phase (ZrO<inf>2</inf>)<inf>0.89</inf>(Y<inf>2</inf>O<inf>3</inf>)<inf>0.01</inf>(Sc<inf>2</inf>O<inf>3</inf>)<inf>0.10</inf>-Al<inf>0.02</inf>Zn<inf>0.98</inf>O<inf>1.01</inf>oxygen transport membranes
T2  - Journal of Membrane Science
UR  - http://dx.doi.org/10.1016/j.memsci.2017.08.044
VL  - 543
ER  -
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