Degradation of gaseous formaldehyde by visible light-responsive titania photocatalyst filter

Tun Ping Teng, Tun Chien Teng*, Shu I. Pan

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

3 引文 斯高帕斯(Scopus)

摘要

A method is proposed that uses electrophoretic deposition (EPD) to fabricate the titania (TiO 2) photocatalyst filter and then successfully modifies it by lithium nitrate (LiNO 3) to be visible light responsive such that the modified photocatalyst filter effectively degrades gaseous formaldehyde. The performance of degrading gaseous formaldehyde is evaluated in the photocatalytic circulation reactor for different temperature and light sources. The results show that the modified TiO 2 photocatalyst filter has much better degradation performance for gaseous formaldehyde than the original TiO 2 photocatalyst filter regardless of light source, and the performance is better at the higher ambient temperature. The best total average degradation performance of the modified photocatalyst filter is about 9.2% and 16.3% higher than the original photocatalyst filter (P-25, Degussa) for the UVA and visible irradiation, respectively, at 26°C.

原文英語
文章編號739734
期刊International Journal of Photoenergy
2012
DOIs
出版狀態已發佈 - 2012

ASJC Scopus subject areas

  • 化學 (全部)
  • 原子與分子物理與光學
  • 可再生能源、永續發展與環境
  • 材料科學(全部)

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