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

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.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-9EB5-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-B8AA-6
Genre: Journal Article

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 Creators:
Tota, A.1, 2, Author              
Hamel, C.1, 2, Author              
Thomas, S.2, Author
Joshi, M.1, Author              
Klose, F.3, Author              
Seidel-Morgenstern, A.1, 2, Author              
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              
3Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738153              

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 Abstract: 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]

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Language(s): eng - English
 Dates: 2004
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 208012
Other: 44/04
DOI: 10.1205/026387604772992828
 Degree: -

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Title: Chemical Engineering Research and Design
Source Genre: Journal
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Publ. Info: Rugby [England] : Elsevier
Pages: - Volume / Issue: 82 Sequence Number: - Start / End Page: 236 - 244 Identifier: ISSN: 0263-8762
CoNE: /journals/resource/954925267290