Modeling the oxidation of atrazine by H2O2/UV. Estimation of kinetic parameters

被引：27
|
作者：
DeLaat, J [1 ]
Berger, P [1 ]
Poinot, T [1 ]
Leitner, NKV [1 ]
Dore, M [1 ]
机构：
[1] ECOLE SUPER INGENIEURS POITIERS,LAB AUTOMAT & INFORMAT IND,F-86022 POITIERS,FRANCE
来源：
OZONE-SCIENCE & ENGINEERING | 1997年 / 19卷 / 05期
关键词：
D O I：
10.1080/01919512.1997.10382867
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A kinetic model for the oxidation of atrazine by H2O2/UV in dilute aqueous solutions ([Atrazine](0) < 2 mu M) has been tested in a batch reactor. In this model, direct photolysis and oxidation by hydroxyl radicals are assumed to be the main reactions in the decomposition of atrazine by H2O2/UV. The data showed that the model can be used to predict the effects of some parameters (hydrogen peroxide dose, pH, bicarbonate alkalinity, ...) and to estimate values of quantum yield of photolysis, rate constants for the reaction of hydroxyl radicals with atrazine and of the scavenging term (Sigma k(i)S(i)) of natural waters.
引用
收藏
页码：395 / 408
页数：14
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