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  An attempt to alter the gas separation of mesoporous glass membranes by amine modification

Stoltenberg, D., & Seidel-Morgenstern, A. (2012). An attempt to alter the gas separation of mesoporous glass membranes by amine modification. Microporous and Mesoporous Materials, 154, 148-152. doi:10.1016/j.micromeso.2011.11.013.

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 Urheber:
Stoltenberg, D.1, Autor           
Seidel-Morgenstern, A.1, 2, Autor           
Affiliations:
1Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738150              
2Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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Schlagwörter: Surface modification; Porous glass; Gas separation; Carbon dioxide
 Zusammenfassung: Mesoporous glass membranes were synthesized and used to study the influence of an altered surface chemistry on adsorption and diffusion properties. A modification with a silane possessing high amine content was conducted to enhance the interaction with adsorbable gases. The obtained membranes were characterized by their adsorption equilibrium properties and their permeabilities for the gas pair carbon dioxide and nitrogen in single gas and binary mixture permeation experiments. The modified surface induced a reversal in the temperature dependence of the membrane selectivity. The strong adsorption on the modified surface led to a hindered carbon dioxide transport at lower temperatures and an accelerated transport at higher temperatures. Due to the limited amount of grafted adsorption sites on the modified membranes this effect was pronounced at low partial pressures of carbon dioxide. Copyright © 2011 Elsevier Inc. All rights reserved. [accessed December 7th 2011]

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Sprache(n): eng - English
 Datum: 2012
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 573973
DOI: 10.1016/j.micromeso.2011.11.013
Anderer: 9/12
 Art des Abschluß: -

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Titel: Microporous and Mesoporous Materials
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Amsterdam : Elsevier
Seiten: - Band / Heft: 154 Artikelnummer: - Start- / Endseite: 148 - 152 Identifikator: ISSN: 1387-1811
CoNE: https://pure.mpg.de/cone/journals/resource/954926228401