Influence of ozonation of humic and fulvic acids on diuron adsorption on activated carbon

被引：8
|
作者：
Gérard, MC [1 ]
Barthélemy, JP [1 ]
Copin, A [1 ]
机构：
[1] Fac Univ Sci Agron Gembloux, B-5030 Gembloux, Belgium
来源：
OZONE-SCIENCE & ENGINEERING | 2003年 / 25卷 / 05期
关键词：
ozone; drinking water; pesticides; diuron; humic acids; fulvic acids; activated carbon;
D O I：
10.1080/01919510390481720
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The effect of ozonation on the competitor effect of humic and fulvic acids against diuron in adsorption on activated carbon in drinking water process has been studied. Ozonation treatment allows the removal of herbicides from drinking waters by modification of humic and fulvic acids structures. These latest are responsible for their adsorption variation on activated carbon. An ozone dose similar to that used in industrial pre-ozonation (1.3 mg ozone/l) does not cause significant transformations of humic and fulvic acids which could decrease their competitor effect and increase significantly the adsorption capacity of the activated carbon for a well-adsorbed pesticide like diuron.
引用
收藏
页码：399 / 407
页数：9
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