PHOTODECOMPOSITION OF 2,4-DICHLOROPHENOL IN AQUEOUS-SOLUTION CATALYZED BY CADMIUM-SULFIDE PARTICLES

被引:13
作者
KU, Y
HSIEH, CB
机构
关键词
D O I
10.1021/ie00007a032
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The degradation of 2,4-dichlorophenol in the presence of cadmium sulfide suspensions by ultraviolet illumination was studied under various solution pH conditions, reaction times, and CdS loadings. The increase in the 2,4-dichlorophenol removal at alkaline condition by photocatalysis was possibly attributed to the distribution of protonated and deprotonated species at different solution pH conditions. The degradation and demineralization of 2,4-dichlorophenol by the photocatalytic process can be described fairly well by a simplified two step consecutive reaction scheme based on carbon balance.
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页码:1823 / 1826
页数:4
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