Influence of UV irradiation and UV/hydrogen peroxide oxidation process on natural organic matter fluorescence characteristics

被引：8

作者：

Hofbauer, DEW ^{[1
]}

Andrews, SA ^{[1
]}

机构：

[1] Univ Waterloo, Dept Civil Engn, Waterloo, ON N2L 3G1, Canada

来源：

NATURAL ORGANIC MATERIAL RESEARCH: INNOVATIONS AND APPLICATIONS FOR DRINKING WATER | 2004年 / 4卷 / 04期

关键词：

fluorescence; natural organic matter; size exclusion chromatography; ultraviolet irradiation;

D O I：

10.2166/ws.2004.0059

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Natural organic matter is ubiquitous in aquatic systems, and has long been associated with disinfection by-product (DBP) formation during chlorination in water treatment plants and distribution systems. In this study modelled water was irradiated with either ultraviolet (UV) lamps or with UV combined with the addition of hydrogen peroxide (H2O2). The changes in the fluorescence intensity between the pretreated and post-treated samples were measured to determine the changes in the molecular size distribution of this reactive fraction of NOM. It was determined that the UV/H2O2 process reduces the concentration of these potential DBP precursors more effectively than UV irradiation alone.

引用

页码：41 / 46

页数：6

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