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臭氧对饮用水中氯化消毒副产物生成的影响

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张锁娜, 王海波, 李肖肖, 朱莹, 胡春. 臭氧对饮用水中氯化消毒副产物生成的影响[J]. 环境工程学报, 2014, 8(10): 4091-4096.
引用本文: 张锁娜, 王海波, 李肖肖, 朱莹, 胡春. 臭氧对饮用水中氯化消毒副产物生成的影响[J]. 环境工程学报, 2014, 8(10): 4091-4096.
shu
Zhang Suona, Wang Haibo, Li Xiaoxiao, Zhu Ying, Hu Chun. Influence of ozonation on formation of chlorination disinfection by-products in drinking water[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4091-4096.
Citation: Zhang Suona, Wang Haibo, Li Xiaoxiao, Zhu Ying, Hu Chun. Influence of ozonation on formation of chlorination disinfection by-products in drinking water[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4091-4096.
shu

臭氧对饮用水中氯化消毒副产物生成的影响

  • 1.

    中国科学院生态环境研究中心环境水质学国家重点实验室, 北京 100085

  • 基金项目:

    国家自然科学基金青年科学基金项目（51308529）

    国家“水体污染控制与治理”科技重大专项（2012ZX07404002）

  • 中图分类号: TU991

Influence of ozonation on formation of chlorination disinfection by-products in drinking water

  • 1.

    Research Center for Eco-Environmental Sciences, Chiese Academy of Sciences, Beijing 100085, China

  • Fund Project:

  • 摘要: 以北京市某水厂砂滤池出水为实验原水，研究了臭氧曝气时间对实验原水中天然有机物（NOM）性质、结构及氯化消毒副产物生成的影响。通过高效凝胶色谱、三维荧光光谱、红外光谱等检测分析方法对水中NOM进行表征后发现，经臭氧作用后水样DOC浓度升高、亲水性增加、芳香性及重均分子量下降。有机物中羟基、碳碳双键或碳氮双键及其共轭体系、脱质子羧基官能团与氯反应活性较强。综合考虑臭氧作用后NOM性质、结构变化及氯化消毒副产物生成量的改变，选择最佳臭氧接触时间为12 min。
    Abstract: The experimental raw water treated by sand filtration was from a drinking water treatment plant in Beijing.The effects of O3 contact time on NOM property,structure and chlorinated disinfection by-products (DBPs) formation in drinking water were studied.NOM was characterized by high performance size exclusion chromatography,excitation-emission matrix,and Fourier transform infrared spectroscopy.The analytical results showed an increase in DOC content and hydrophilicity,but a decrease in aromaticity and molecular weight after ozonation.Functional groups such as hydroxy,carbon-carbon or carbon-nitrogen double bonds and their conjugated systems,deprotonated carboxyl in NOM were found high reactivity with chlorine.The results of NOM property,structure and DBPs yields indicated that the optimum O3 contact time was 12 min.
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  • 收稿日期:  2013-10-23
  • 刊出日期:  2014-09-28
张锁娜, 王海波, 李肖肖, 朱莹, 胡春. 臭氧对饮用水中氯化消毒副产物生成的影响[J]. 环境工程学报, 2014, 8(10): 4091-4096.
引用本文: 张锁娜, 王海波, 李肖肖, 朱莹, 胡春. 臭氧对饮用水中氯化消毒副产物生成的影响[J]. 环境工程学报, 2014, 8(10): 4091-4096.
shu
Zhang Suona, Wang Haibo, Li Xiaoxiao, Zhu Ying, Hu Chun. Influence of ozonation on formation of chlorination disinfection by-products in drinking water[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4091-4096.
Citation: Zhang Suona, Wang Haibo, Li Xiaoxiao, Zhu Ying, Hu Chun. Influence of ozonation on formation of chlorination disinfection by-products in drinking water[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4091-4096.
shu

臭氧对饮用水中氯化消毒副产物生成的影响

  • 1. 中国科学院生态环境研究中心环境水质学国家重点实验室, 北京 100085
  • 收稿日期:  2013-10-23
基金项目:

国家自然科学基金青年科学基金项目（51308529）

国家“水体污染控制与治理”科技重大专项（2012ZX07404002）

摘要: 以北京市某水厂砂滤池出水为实验原水，研究了臭氧曝气时间对实验原水中天然有机物（NOM）性质、结构及氯化消毒副产物生成的影响。通过高效凝胶色谱、三维荧光光谱、红外光谱等检测分析方法对水中NOM进行表征后发现，经臭氧作用后水样DOC浓度升高、亲水性增加、芳香性及重均分子量下降。有机物中羟基、碳碳双键或碳氮双键及其共轭体系、脱质子羧基官能团与氯反应活性较强。综合考虑臭氧作用后NOM性质、结构变化及氯化消毒副产物生成量的改变，选择最佳臭氧接触时间为12 min。

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