CHEMICAL OXIDATION BY PHOTOLYTIC DECOMPOSITION OF HYDROGEN-PEROXIDE

被引:189
作者
LIAO, CH [1 ]
GUROL, MD [1 ]
机构
[1] DREXEL UNIV,INST ENVIRONM STUDIES,PHILADELPHIA,PA 19104
关键词
D O I
10.1021/es00012a018
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This paper describes a study of a chemical oxidation process involving simultaneous application of hydrogen peroxide solution and ultraviolet light (H2O2/UV) for removal of organic pollutants from aqueous solution. The process was investigated experimentally in a continuous-flow stirred tank reactor (CSTR) under various operational conditions, i.e., H2O2 dosage, UV light intensity, and liquid residence time. Synthetic solutions of a model organic compound, n-chlorobutane (BuCl), were oxidized at various pH and in the presence of various amounts of humic material and carbonate/bicarbonate ions in order to examine the effect of water quality on the process efficiency. A kinetic model of the process, which was developed based on H2O2/UV-induced radical oxidation of organic compounds, was successfully verified in pure water as well as in synthetic solutions.
引用
收藏
页码:3007 / 3014
页数:8
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