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Theoretical and Experimental Investigation of Concentration and Contact Time Effects in Membrane Reactors

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons86503

Tota,  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;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86315

Hamel,  C.
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;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86340

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

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86363

Klose,  F.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86477

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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Zitation

Tota, A., Hamel, C., Thomas, S., Joshi, M., Klose, F., & Seidel-Morgenstern, A. (2004). Theoretical and Experimental Investigation of Concentration and Contact Time Effects in Membrane Reactors. Chemical Engineering Research and Design, 82, 236-244. doi:10.1205/026387604772992828.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-9EB5-D
Zusammenfassung
A potential field of applying membrane reactors is the enhancement of selectivity and yields in complex reactions like networks of parallel and series reactions. To evaluate, design and optimise dosing concepts exploiting membranes it is necessary to perform systematic studies. In this paper the possibility of enhancing selectivity and yields by application of optimised dosing concepts is investigated theoretically and experimentally. In the first, the theoretical part of the study presented, dosing of one reactant at discrete reactor positions (cascade of fixed-bed reactors) was compared with continuous dosing through a porous reactor wall (packed-bed membrane reactor). The effects of manipulating the local reactant compositions (and thus the local reaction rates) and the component residence time distributions via the different dosing strategies is elucidated. In the second part of this study, it is illustrated by experimental data from oxidative dehydrogenation of ethane, that membrane reactors possess indeed the potential to improve selectivity and yields of desired intermediates. By application of membrane reactors it is possible to optimise the selectivity for different products in a given reaction network. © 2003 Elsevier B.V. All rights reserved. [accessed 2013 November 27th]