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  Fluid dynamics in monolithic adsorbents: Phenomenological approach to equivalent particle

Tallarek, U., Leinweber, F., & Seidel-Morgenstern, A. (2002). Fluid dynamics in monolithic adsorbents: Phenomenological approach to equivalent particle. Chemical Engineering and Technology, 25(12), 1177-1181. doi:10.1002/1521-4125(20021210)25:12<1177:AID-CEAT1177>3.0.CO;2-V.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-A0EC-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-BA54-5
Genre: Journal Article

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 Creators:
Tallarek, U.1, Author
Leinweber, F.1, Author
Seidel-Morgenstern, A.1, 2, Author              
Affiliations:
1Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              
2Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738150              

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 Abstract: Due to the complex, often sponge-like structure of monolithic adsorbents it is diffcult to define appropriate constituent units that characterize the hydrodynamics of the material, or to determine relevant shape and size distribution factors comparable to those for spherical particles in (particulate) fixed beds. Based on a phenomenological analysis to the friction factor (Reynolds number relation and the longitudinal dispersivity - Peclet number dependence for random sphere packings) we derive characteristic lengths (i. e., equivalent particle dimensions) for a monolith with regard to its hydraulic permeability and dispersion originating in stagnant zones. Equivalence to the hydrodynamic behavior in "reference" sphere packings is established by dimensionless scaling of the respective data for the monolithic structure. This phenomenological apprach, which is simply based on liquid flow and stagnation in a porous medium, can successfully relate hydrodynamic properties of the monolith to that of particulate beds. © 2002 WILEY-VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany [accessed 2013 November 29th]

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 Dates: 2002
 Publication Status: Published in print
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 Rev. Method: Peer
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Title: Chemical Engineering and Technology
Source Genre: Journal
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Publ. Info: New York : J. Wiley
Pages: - Volume / Issue: 25 (12) Sequence Number: - Start / End Page: 1177 - 1181 Identifier: ISSN: 0930-7516
CoNE: /journals/resource/991042744467904