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005     20240711092248.0
020 _ _ |a 978-3-89336-630-9
024 7 _ |2 sirsi
|a (Sirsi) a211563
024 7 _ |2 ISBN
|a 978-3-89336-630-9
024 7 _ |2 ISSN
|a 1866-1793
024 7 _ |2 Handle
|a 2128/3770
037 _ _ |a PreJuSER-136214
041 _ _ |a German
082 _ _ |a 500
082 _ _ |a 333.7
082 _ _ |a 620
084 _ 0 |a EBA - Energy production, energy technology
084 _ 1 |a EBA - Energieerzeugung, Energietechnologie
100 1 _ |0 P:(DE-Juel1)VDB76617
|a Schlehuber, Dominic
|b 0
|e Corresponding author
|g male
|u fzj
245 _ _ |a Sauerstofftransport und Degradationsverhalten von Hochtemperaturmembranen für CO$_{2}$-freie Kraftwerke
260 _ _ |a Jülich
|b Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag
|c 2010
300 _ _ |a VII, 139 S.
336 7 _ |0 PUB:(DE-HGF)3
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336 7 _ |2 ORCID
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336 7 _ |2 BibTeX
|a BOOK
490 0 _ |0 PERI:(DE-600)2445288-9
|a Schriften des Forschungszentrums Jülich. Reihe Energie und Umwelt / Energy und Environment
|v 65
500 _ _ |a Record converted from JUWEL: 18.07.2013
502 _ _ |a RWTH Aachen, Diss., 2010
|b Dr.
|c RWTH Aachen
|d 2010
520 _ _ |a This thesis deals with membranes for oxygen separation from air for high temperature application in fossil power plants within the scope of the oxyfuel-process. Different perovskite membrane materials (ABO$_{3- \delta}$) were investigated concerning the oxygen transport and their chemical stability under operation condition. The association between oxygen transport properties and both the thermodynamic boundary conditions as well as the material properties (membrane thickness and surface properties) was studied. One possibility to achieve higher oxygen fluxes through the membrane is to reduce the thickness. In this case the influence of surface processes on the overall permeation becomes noteworthy. The effect of different membrane surface modifications on the permeation rate was investigated. For example it could be confirmed, that a porous layer on the membrane surface significantly increases the permeation flux due to the compensation of surface exchange limitations. Beyond that, degradation processes during the operation under power plant condition were investigated. Special attention was attached to the influence of degradation on the permeation flux during long term operation. Thereby kinetic demixing of the membrane material was observed.
650 _ 4 |a carbon dioxide
650 _ 4 |a carbon dioxide acceptor process
650 _ 4 |a fossil fuel power plant
650 _ 4 |a high temperature materials
650 _ 4 |a membrane separation
650 _ 4 |a oxygen
650 _ 4 |a transport
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914 1 _ |y 2013
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