This title appears in the Scientific Report :
2016
High-Temperature Systems for a catalytic CO-Shift Membrane Reactor
High-Temperature Systems for a catalytic CO-Shift Membrane Reactor
High-Temperature Systems for a catalytic CO-Shift MembraneReactorDésirée van Holt, Emanuel Forster , Wilhelm A. Meulenberg, Michael Müller, Mariya E.Ivanova, Stefan Baumann, Robert VaßenForschungszentrum Jülich, Institute of Energy and Climate Research, Leo-Brandt-Str., D-52425Juelich, Germanycorres...
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Personal Name(s): | van Holt, Désirée (Corresponding author) |
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Forster, Emanuel / Meulenberg, Wilhelm Albert / Müller, Michael / Ivanova, Mariya / Baumann, Stefan / Vassen, Robert | |
Contributing Institute: |
Werkstoffstruktur und -eigenschaften; IEK-2 Werkstoffsynthese und Herstellungsverfahren; IEK-1 Grundlagen der Elektrochemie; IEK-9 |
Published in: | 2015 |
Imprint: |
2015
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Conference: | EuroMembrane 2015, Prague (Czech Republic), 2015-07-04 - 2015-07-10 |
Document Type: |
Abstract |
Research Program: |
Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) Methods and Concepts for Material Development |
Publikationsportal JuSER |
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260 | |c 2015 | ||
520 | |a High-Temperature Systems for a catalytic CO-Shift MembraneReactorDésirée van Holt, Emanuel Forster , Wilhelm A. Meulenberg, Michael Müller, Mariya E.Ivanova, Stefan Baumann, Robert VaßenForschungszentrum Jülich, Institute of Energy and Climate Research, Leo-Brandt-Str., D-52425Juelich, Germanycorresponding author: d.van.holt@fz-juelich.deThe sequestration of CO2 via H2-selective, ceramic membranes in an IGCC-power plantis a highly interesting method, particularly for the high-temperature range of600 °C − 900 °C, due to the low efficiency losses that can be reached. It was shown thateven for this high-temperature range the utilization of a CO-shift catalyst leads to aconsiderable increase of the CO-conversion, at least up to 900 °C compared to anoperation mode without catalyst[1]. However, the harsh conditions of an IGCC-powerplant lead to very challenging operation conditions for the dense H2-selectivemembranes as well as for the CO-shift-catalysts.The present work aimed at the development of thermo-chemically and microstructurallystable, active and compatible membrane-catalyst systems for futurecatalytic CO-shift membrane-reactors. Therefore, the ceramic mixed protonic electronicconductors BaCe0.2Zr0.7Yb0.08Ni0.02O3−d and La5.5WO12−d were combined with ironbased catalysts like Fe/Cr/Cu-spinels. These materials were already studied intensivelyregarding the planned applications and show very good properties [2]. Additionally, formembrane-catalyst systems it is strongly required that the combined components donot influence each other negatively i.e. by diffusion or reaction.Figure: SEM picture of a cross section through a membrane-catalyst system of a 86Fe14Cr-catalyst on atape cast supported La5.5WO12−d-membrane after operation in a membrane reactor at 850 °C.The investigation identified material combinations that seem to be highly applicablefor future catalytic CO-shift membrane reactors in the high-temperature range up to900 °C. As shown in the figure above, the 86Fe14Cr-spinel catalyst and the La5.5WO12−d-membrane show very good compatibility. Additional investigations on membranereactorperformance, long term stability and scale up are necessary.[1] D. van Holt, Keramische Membranen für die H2-Abtrennung in CO-Shift-Reaktoren, DissertationRuhr-Universität Bochum 2014.[2] D. van Holt, E. Forster, M.E. Ivanova, W.A. Meulenberg, M. Müller, S. Baumann, R. Vaßen, Ceramicmaterials for H2 transport membranes applicable for gas separation under coal-gasification-relatedconditions, J. Eur. Ceram. Soc. 34 (2014) 2381 – 2389. | ||
700 | 1 | |a Forster, Emanuel |0 P:(DE-Juel1)145588 |b 1 | |
700 | 1 | |a Meulenberg, Wilhelm Albert |0 P:(DE-Juel1)129637 |b 2 | |
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700 | 1 | |a Baumann, Stefan |0 P:(DE-Juel1)129587 |b 5 | |
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