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  Autothermal operation of an adiabatic simulated counter current reactor

Zahn, V. M., Mangold, M., & Seidel-Morgenstern, A. (2010). Autothermal operation of an adiabatic simulated counter current reactor. Chemical Engineering Science, 65(1 ), 458-465. doi:10.1016/j.ces.2009.06.042.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-901E-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-14A9-F
Genre: Journal Article

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 Creators:
Zahn, V. M.1, Author              
Mangold, M.2, Author              
Seidel-Morgenstern, A.1, 3, Author              
Affiliations:
1Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738150              
2Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738153              
3Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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Free keywords: Novel reactors; Network of packed beds; Moving beds; Numerical analysis; Model reduction; Autothermal operation
 Abstract: Periodic operation of several adiabatic fixed beds connected in series is an alternative to conventional steady-state fixed-bed operation or transient reverse flow reactor operation, e.g. to process lean waste gases or to perform efficiently slightly exothermic equilibrium limited reactions. This work explains the periodic operation of a multi-bed reactor network using both a simplified model assuming a true counter current of the phases involved and a more detailed dynamic model. An appropriate expression for relating the switching times and solid phase velocities is applied. The shapes of the thermal waves are studied in a range of relevant switching times. Results of a stability analysis considering both models reveal hysteresis for ignition and extinction of the reactor network. The accompanying regions of multiplicity provide insight in the potential of performing in such reactor networks exothermal reactions for certain ranges of the adiabatic temperature rise. Copyright © 2009 Elsevier B.V. All rights reserved. [accessed November 25, 2009]

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Language(s): eng - English
 Dates: 2010
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 437608
Other: 22/10
DOI: 10.1016/j.ces.2009.06.042
 Degree: -

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Title: Chemical Engineering Science
  Other : Chem. Eng. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Pergamon
Pages: - Volume / Issue: 65 (1 ) Sequence Number: - Start / End Page: 458 - 465 Identifier: ISSN: 0009-2509
CoNE: https://pure.mpg.de/cone/journals/resource/954925389239