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Deposition and characterisation of TiO2 coatings on various supports for structured (photo)catalytic reactors

Paper ID Volume ID Publish Year Pages File Format Full-Text
42964 45949 2009 9 PDF Available
Title
Deposition and characterisation of TiO2 coatings on various supports for structured (photo)catalytic reactors
Abstract

Different types of aqueous TiO2–P25 suspensions were prepared and their properties, including rheological behaviour and zeta potential, were studied. Then, TiO2 suspensions were used to elaborate TiO2 coatings on various substrates (cordierite monolith, stainless steel plates and β-SiC foam) using a dip-coating method. The relationship between the suspension stability and the coating adhesion has been considered. The structural and morphological characterisation of TiO2 coatings has been performed using scanning electron microscopy, X-ray diffraction and other methods. Finally, the photocatalytic properties of the materials have been determined by studying the photooxidation of aqueous ammonia.

Graphical abstractDifferent types of aqueous TiO2–P25 suspensions were prepared and their properties were studied. Then, TiO2 suspensions were used to elaborate TiO2 coatings on various substrates (cordierite monolith, stainless steel plates and β-SiC foam) using a dip-coating method. Finally, the photocatalytic properties of the materials have been determined by studying the photooxidation of aqueous ammonia.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Structured reactors; Titanium dioxide; Dip-coating; β-SiC foam; Stainless steel; Cordierite monolith
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Deposition and characterisation of TiO2 coatings on various supports for structured (photo)catalytic reactors
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 360, Issue 2, 1 June 2009, Pages 154–162
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Price after discount Only $4.95
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