Photodegradation of N-nitrosodiethylamine in water with UV irradiation

被引：12
作者：
Xu BingBing [1 ]
Chen ZhongLin [1 ]
Qi Fei [1 ]
Yang Lei [1 ]
机构：
[1] Harbin Inst Technol, Sch Municipal & Environm Engn, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2008年 / 53卷 / 21期
基金：
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
N-nitrosodiethylamine; ultraviolet irradiation; diethylamine; ethylamine;
D O I：
10.1007/s11434-008-0471-6
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The direct photolysis of N-nitrosodiethylamine (NDEA) in water with ultraviolet (UV) irradiation was investigated. Results showed that NDEA could be completely degraded under the direct UV irradiation. The effects of the experimental conditions, including the initial concentration of NDEA, humic acid and solution pH, were studied. The degradation products of NDEA were identified and quantified with gas chromatography-mass spectrometry (GC-MS) and high performance liquid chromatography (HPLC). It was confirmed that methylamine (MA), dimethylamine (DMA), ethylamine (EA), diethylamine (DEA), NO2- and NO3- were the main degradation products. The photolysis degradation mechanism of NDEA was also discussed. As a result of N-N bond fission, NDEA was degraded by direct UV irradiation.
引用
收藏
页码：3395 / 3401
页数：7
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