Decomposition of low-concentration gas-phase toluene using plasma-driven photocatalyst reactor

Plasma-driven photocatalysis system was prepared and performed. To overcome the treatment difficulty of volatile organic compounds, non-thermal plasma was used as a light source of photocatalysis. The removal of low-concentration toluene was investigated and secondary products were analyzed by gas c...

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Bibliographic Details
Published in:Atmospheric environment (1994) 2007-10, Vol.41 (32), p.6853-6859
Main Authors: Sun, Ru-Bao, Xi, Zhu-Ge, Chao, Fu-Huan, Zhang, Wei, Zhang, Hua-Shan, Yang, Dan-Feng
Format: Article
Language:English
Subjects:
Applied sciences
Atmospheric pollution
Exact sciences and technology
General processes of purification and dust removal
Indoor air
Indoor pollution and occupational exposure
Non-thermal plasma
Plasma-driven photocatalysis
Pollution
Prevention and purification methods
TiO 2
Toluene
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Summary:Plasma-driven photocatalysis system was prepared and performed. To overcome the treatment difficulty of volatile organic compounds, non-thermal plasma was used as a light source of photocatalysis. The removal of low-concentration toluene was investigated and secondary products were analyzed by gas chromatograph–mass spectroscopy. The plasma-driven photocatalyst reactor using direct current as a light source and titanium dioxide catalyst loaded on activated carbon fiber (TiO 2/ACF) as photocatalyst was studied. It was found that plasma-driven photocatalysis system could significantly increase the removal effect of toluene. The number of secondary products was largely decreased. It means that plasma-driven photocatalysis hybrid system was an effective method for the removal of volatile organic compounds.
ISSN:1352-2310
1873-2844
DOI:10.1016/j.atmosenv.2007.04.041