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Synergetic effect by coupling photocatalysis with plasma for low VOCs concentration removal from air

Paper ID Volume ID Publish Year Pages File Format Full-Text
46096 46429 2012 7 PDF Available
Title
Synergetic effect by coupling photocatalysis with plasma for low VOCs concentration removal from air
Abstract

By combining non-thermal plasma and photocatalysis a synergy effect has been observed in low concentrated gaseous isovaleraldehyde oxidation in air. The study of the behavior in isovaleraldehyde oxidation by the separate processes has shown that this synergy effect could be due to the activation by UV on TiO2 of the ozone produced by the non-thermal plasma.According to the results, plasma–photocatalysis system significantly increases the efficiency of isovaleraldehyde removal and tends to favor the complete mineralization of isovaleraldehyde. It means that plasma–photocatalysis system could be a relevant method for the removal of low concentrated volatile organic compounds from air.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► VOC removal from air was enhanced by coupling non-thermal plasma and photocatalysis. ► A synergy effect was observed by coupling non-thermal plasma, catalyst and photocatalysis. ► Ozone activation by photocatalysis is mainly responsible of the synergy effect.

Keywords
Non-thermal plasma; Photocatalysis; VOCs oxidation; Isovaleraldehyde; Synergetic effect
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 125, 21 August 2012, Pages 432–438
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
You save - $31
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Full-text PDF Download
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