Photocatalytic degradation of trichloroethylene in the gas phase over TiO2 sol-gel films:: Analysis of products

被引：31
|
作者：
Kim, JS [1 ]
Itoh, K [1 ]
Murabayashi, M [1 ]
机构：
[1] Yokohama Natl Univ, Inst Environm Sci & Technol, Hodogaya Ku, Yokohama, Kanagawa 240, Japan
来源：
CHEMOSPHERE | 1998年 / 36卷 / 03期
关键词：
D O I：
10.1016/S0045-6535(97)00370-6
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The gas phase photocatalytic degradation of trichloroethylene (TCE) was studied over two kinds of TiO2, as thin films prepared by the sol-gel process. Dichloroacetyl chloride (DCAC), phosgene and carbon monoxide were confirmed to be intermediates, The detection conditions of DCAC, a main but unstable intermediate, were investigated in different experimental conditions by using in situ FTIR measurement and gas chromatography. Reaction intermediates were different depending on the activity of the photocatalyst. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：483 / 495
页数：13
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