Photocatalytic reaction intensification using monolithic supports designed by stereolithography

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Title: Photocatalytic reaction intensification using monolithic supports designed by stereolithography
Authors: Furman, M.1, Corbel, S.1, Wild, G.1, Zahraa, O. Orfan.Zahraa@ensic.inpl-nancy.fr
Source: Chemical Engineering & Processing. Jan2010, Vol. 49 Issue 1, p35-41. 7p.
Subjects: Photocatalysis, Chemical reactions, Mass transfer, Industrial chemistry, Air pollution, Fluidized reactor design & construction, Titanium dioxide, Photopolymers
Abstract: Abstract: An original photocatalytic reactor for the treatment of polluted air is designed. The titanium dioxide is supported on various supports that consist in photopolymers and are built using the stereolithography technique and placed in a glass tube illuminated from the outside, while the air containing the pollutant to be removed flows through the glass tube and the photocatalyst support. It is shown that the gas–solid mass transfer plays a role only at the very smallest gas velocities investigated. The global depollution kinetics are then determined for the different geometrical forms of the photocatalyst support and the efficiency of the forms compared. [Copyright &y& Elsevier]
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Database: Engineering Source
Description
Abstract:Abstract: An original photocatalytic reactor for the treatment of polluted air is designed. The titanium dioxide is supported on various supports that consist in photopolymers and are built using the stereolithography technique and placed in a glass tube illuminated from the outside, while the air containing the pollutant to be removed flows through the glass tube and the photocatalyst support. It is shown that the gas–solid mass transfer plays a role only at the very smallest gas velocities investigated. The global depollution kinetics are then determined for the different geometrical forms of the photocatalyst support and the efficiency of the forms compared. [Copyright &y& Elsevier]
ISSN:02552701
DOI:10.1016/j.cep.2009.11.002