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Influence of NOx ad...
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Perdana, Indra,1973Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Department of Chemical and Biological Engineering
(författare)
Influence of NOx adsorbed species on component permeation through ZSM-5 membranes
- Artikel/kapitelEngelska2010
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Nummerbeteckningar
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LIBRIS-ID:oai:research.chalmers.se:ef80cc86-4144-44d5-8f86-5f6392c482eb
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https://doi.org/10.1016/j.memsci.2009.11.030DOI
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https://research.chalmers.se/publication/111014URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-15709URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Validerad; 2010; 20091117 (linste)
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A thin ZSM-5 film was grown on an alpha-alumina support, resulting in a composite membrane. The membraneswere characterized by SEM and adsorption branch n-hexane/helium permporometry. In addition,the permeation of gas mixtures containing NO2, NO, N2 and argon was evaluated. The effect of temperatureand gas mixture composition on the component permeation and selectivity was investigated.It was found that NOx permeation through the ZSM-5 membrane was partially surface concentrationdependent and was thermally activated. However, transport by gas translational diffusion seemed todominate at the conditions studied. The presence of various NOx adsorbed species appeared to influencediffusion of NO2 in ZSM-5 and reduced transport of other inert and weakly adsorbed components overa wide temperature range (20–400◦C). Strongly adsorbed surface nitrate species formed in the presenceof gas phase NOx should be responsible for the reduced transport of these components at the elevatedtemperature. The findings are of interest for possible applications of ZSM-5 membranes for componentseparation at high temperature.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Creaser, Derek,1966Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Department of Chemical and Biological Engineering(Swepub:ltu)bib-dercre
(författare)
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Lindmark, JonasLuleå tekniska universitet (LTU),Luleå University of Technology (LTU)(Swepub:ltu)ojoila
(författare)
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Hedlund, JonasLuleå tekniska universitet,Industriell miljö- och processteknik(Swepub:ltu)johe
(författare)
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Chalmers tekniska högskolaChalmers University of Technology, Department of Chemical and Biological Engineering
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Membrane Science: Elsevier BV349:1-2, s. 83-891873-31230376-7388
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