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Influence of the geometry of a monolithic support on the efficiency of photocatalyst for air cleaning

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Title: Influence of the geometry of a monolithic support on the efficiency of photocatalyst for air cleaning
Authors: Furman, M.1, Corbel, S. Serge.Corbel@ensic.inpl-nancy.fr, Le Gall, H.1, Zahraa, O.1, Bouchy, M.1
Source: Chemical Engineering Science. Sep2007, Vol. 62 Issue 18-20, p5312-5316. 5p.
Subjects: Lithography, Air pollution, Volatile organic compounds, Light absorption, Hydrodynamics, Mass transfer, Catalysts
Abstract: The use of stereolithography is well suited for the fabrication of a monolithic photocatalyst for cleaning of air contaminated by volatile organic compounds (VOCs). In this paper we present the influence of the geometry of the monolith on the reactor''s efficiency. Our aim is to develop a model that describes the basic phenomena, which are involved, i.e., light absorption, hydrodynamic and transfer processes and the reaction kinetics. Three different geometries of the monolith reactor have been tested: mixer (), crossed channels (), and star geometry (). It appears that the geometry has practically no influence on the external mass transfer rate but has a great influence on the kinetics of photocatalysis. The model will be used to predict and optimize the photocatalytic behaviour and to scale up the results to an industrial reactor. [Copyright &y& Elsevier]
Copyright of Chemical Engineering Science is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 26341787
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Influence of the geometry of a monolithic support on the efficiency of photocatalyst for air cleaning
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  Data: <searchLink fieldCode="AR" term="%22Furman%2C+M%2E%22">Furman, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Corbel%2C+S%2E%22">Corbel, S.</searchLink><i> Serge.Corbel@ensic.inpl-nancy.fr</i><br /><searchLink fieldCode="AR" term="%22Le+Gall%2C+H%2E%22">Le Gall, H.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zahraa%2C+O%2E%22">Zahraa, O.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Bouchy%2C+M%2E%22">Bouchy, M.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Chemical+Engineering+Science%22">Chemical Engineering Science</searchLink>. Sep2007, Vol. 62 Issue 18-20, p5312-5316. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Lithography%22">Lithography</searchLink><br /><searchLink fieldCode="DE" term="%22Air+pollution%22">Air pollution</searchLink><br /><searchLink fieldCode="DE" term="%22Volatile+organic+compounds%22">Volatile organic compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Light+absorption%22">Light absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrodynamics%22">Hydrodynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Mass+transfer%22">Mass transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysts%22">Catalysts</searchLink>
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  Label: Abstract
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  Data: The use of stereolithography is well suited for the fabrication of a monolithic photocatalyst for cleaning of air contaminated by volatile organic compounds (VOCs). In this paper we present the influence of the geometry of the monolith on the reactor''s efficiency. Our aim is to develop a model that describes the basic phenomena, which are involved, i.e., light absorption, hydrodynamic and transfer processes and the reaction kinetics. Three different geometries of the monolith reactor have been tested: mixer (), crossed channels (), and star geometry (). It appears that the geometry has practically no influence on the external mass transfer rate but has a great influence on the kinetics of photocatalysis. The model will be used to predict and optimize the photocatalytic behaviour and to scale up the results to an industrial reactor. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Chemical Engineering Science is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.ces.2006.12.045
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      – Code: eng
        Text: English
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        Type: general
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      – SubjectFull: Volatile organic compounds
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              Text: Sep2007
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