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000838685 037__ $$aFZJ-2017-07251
000838685 041__ $$aEnglish
000838685 1001_ $$0P:(DE-Juel1)164278$$aUnije, Unoaku Victoria$$b0$$eCorresponding author$$ufzj
000838685 1112_ $$aGeodict Usermeeting 2017$$cKaiserslautern$$d2017-09-26 - 2017-09-27$$wGermany
000838685 245__ $$aThe effect of two different support microstructure of an asymmetric membrane with comparable porosities on flux
000838685 260__ $$c2017
000838685 3367_ $$033$$2EndNote$$aConference Paper
000838685 3367_ $$2DataCite$$aOther
000838685 3367_ $$2BibTeX$$aINPROCEEDINGS
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000838685 3367_ $$0PUB:(DE-HGF)6$$2PUB:(DE-HGF)$$aConference Presentation$$bconf$$mconf$$s1510224504_17656$$xInvited
000838685 520__ $$aOxygen transport membranes (OTM) display a new technology for the generation of energy-efficient oxygen. These membranes can be used in low-pollutant power plants and oxygen generators or membrane reactors in the chemical industry and health care. Research studies over the years have found that the thinner the dense membrane, the higher the observed flux, but the lower the mechanical stability. This motivated the state of the art processing of an asymmetric membrane; whereby the thin dense membrane is supported by a porous structure. However, the microstructure of the porous support in the membrane assembly affects the overall flux significantly. To study and optimize this effect, tape cast and freeze cast Ba0.5Sr0.5(Co0.8Fe0.2)0.97Zr0.03O3– (BSCFZ) asymmetric membranes having comparable support porosities but different pore architecture were processed. Permeation measurements showed that the flux from the two membranes yielded comparable flux, which is not in agreement to literature.A computer tomography of the membranes was acquired to understand, simulate and optimize the porous support. This effect was simulated by applying the binary friction model (BFM) for the support together with a modified Wagner equation for the dense membrane, using transport relevant parameters obtained from computer tomography data of the freeze cast, and tape cast support using Geodict software.
000838685 536__ $$0G:(DE-HGF)POF3-113$$a113 - Methods and Concepts for Material Development (POF3-113)$$cPOF3-113$$fPOF III$$x0
000838685 536__ $$0G:(DE-Juel1)HITEC-20170406$$aHITEC - Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) (HITEC-20170406)$$cHITEC-20170406$$x1
000838685 7001_ $$0P:(DE-Juel1)129641$$aMücke, R.$$b1$$ufzj
000838685 7001_ $$0P:(DE-Juel1)129660$$aSchulze-Küppers, F.$$b2$$ufzj
000838685 7001_ $$0P:(DE-Juel1)129587$$aBaumann, S.$$b3$$ufzj
000838685 7001_ $$0P:(DE-Juel1)161591$$aGuillon, O.$$b4$$ufzj
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000838685 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)129587$$aForschungszentrum Jülich$$b3$$kFZJ
000838685 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)161591$$aForschungszentrum Jülich$$b4$$kFZJ
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000838685 9141_ $$y2017
000838685 920__ $$lyes
000838685 9201_ $$0I:(DE-Juel1)IEK-1-20101013$$kIEK-1$$lWerkstoffsynthese und Herstellungsverfahren$$x0
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