PHOTOCATALYTIC DECOMPOSITION OF 2,4-DICHLOROPHENOL IN AQUEOUS TIO2 SUSPENSIONS

被引:77
|
作者
KU, Y
HSIEH, CB
机构
[1] National Taiwan Institute of Technology, Department of Chemical Engineering, Taipei
关键词
ULTRAVIOLET ILLUMINATION; TIO2; PHOTOCATALYST; 2,4-DICHLOROPHENOL; PHOTOCATALYSIS;
D O I
10.1016/0043-1354(92)90064-B
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
2,4-Dichlorophenol was decomposed in the presence of TiO2 Suspensions by illumination with a low pressure u.v. light. The experiments were carried out under various pH conditions, reaction times and TiO2 loadings. The decomposition rate followed Langmuir-Hinshelwood kinetics. The decomposition and demineralization of 2,4-dichlorophenol by the photocatalytic process can be described fairly well by a simplified two-step consecutive reaction scheme.
引用
收藏
页码:1451 / 1456
页数:6
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