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Mesoporous glass membranes as model systems to study gas diffusion through porous media

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Stoltenberg,  D.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Seidel-Morgenstern,  A.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

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Stoltenberg, D., Seidel-Morgenstern, A., & Enke, D. (2011). Mesoporous glass membranes as model systems to study gas diffusion through porous media. Chemical Engineering and Technology, 34(5), 831-836. doi:10.1002/ceat.201100031.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-8D12-8
Abstract
Porous glass monoliths are suitable model systems to study pore size-related effects in gas diffusion. Here, mesoporous glass membranes with different surface properties and pore diameters covering the lower mesopore range were synthesized and used to study gas permeation of adsorbable and non-adsorbable gases. Dynamic single gas permeation measurements were performed using a modified Wicke-Kallenbach cell. Chemical surface modification of the inner surface of the membranes resulted in altered adsorption and diffusion properties. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim [accessed 27th May 2011]