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太湖部分地区碘代三卤甲烷分布特征及其与藻类有机物的关系初探

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徐志法, 赵卫佳, 张睿, 赵彦凯, 胡霞林, 尹大强. 太湖部分地区碘代三卤甲烷分布特征及其与藻类有机物的关系初探[J]. 环境化学, 2017, 36(12): 2541-2549. doi: 10.7524/j.issn.0254-6108.2017012007
引用本文: 徐志法, 赵卫佳, 张睿, 赵彦凯, 胡霞林, 尹大强. 太湖部分地区碘代三卤甲烷分布特征及其与藻类有机物的关系初探[J]. 环境化学, 2017, 36(12): 2541-2549. doi: 10.7524/j.issn.0254-6108.2017012007
shu
XU Zhifa, ZHAO Weijia, ZHANG Rui, ZHAO Yankai, HU Xialin, YIN Daqiang. Distribution of iodinated trihalomethanes in part of Taihu Lake and correlation analysis between iodinated trihalomethanes and algal organic matter[J]. Environmental Chemistry, 2017, 36(12): 2541-2549. doi: 10.7524/j.issn.0254-6108.2017012007
Citation: XU Zhifa, ZHAO Weijia, ZHANG Rui, ZHAO Yankai, HU Xialin, YIN Daqiang. Distribution of iodinated trihalomethanes in part of Taihu Lake and correlation analysis between iodinated trihalomethanes and algal organic matter[J]. Environmental Chemistry, 2017, 36(12): 2541-2549. doi: 10.7524/j.issn.0254-6108.2017012007
shu

太湖部分地区碘代三卤甲烷分布特征及其与藻类有机物的关系初探

  • 1.

    同济大学环境科学与工程学院, 污染控制与资源化研究国家重点实验室, 上海, 200092

  • 基金项目:

    国家自然科学基金（21277100，21577103）资助.

Distribution of iodinated trihalomethanes in part of Taihu Lake and correlation analysis between iodinated trihalomethanes and algal organic matter

  • 1.

    State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China

  • Fund Project: Supported by the National Natural Science Foundation of China (21277100, 21577103).

  • 摘要: 藻类有机物（algal organic matter，AOM）被证实是碘代消毒副产物（iodinated disinfection by-products，I-DBPs）生成的前体有机物，然而真实环境中I-DBPs与AOM的关系还不明确.本文研究了太湖碘代三卤甲烷（iodinated trihalomethanes，I-THMs）的分布特征，并初步分析了地表水中I-THMs与AOM的关系.I-THMs在枯水期与丰水期平均浓度分别是655.9 ng·L-1和134.6 ng·L-1.其中，CHBrI2和CHI3为主要的污染物，而CHCl2I检出相对较低.皮尔森相关性分析表明，CHCl2I、CHClBrI、CHClI2、CHI3等I-THMs均与叶绿素a具有显著正相关性，而CHCl2I、CHBr2I、CHBrI2、CHI3与总磷TP、CHCl2I、CHBr2I与总氮TN均具有显著正相关性；CHCl2I、CHClI2与舟形藻（Navicula sp.）细胞浓度也具有显著正相关，但CHBrI2等与微囊藻（Microcystis sp.），栅藻（Scenedesmus sp.）细胞浓度呈显著负相关（P<0.05）.本研究间接表明，真实环境中AOM是I-THMs的一个重要来源.
    Abstract: Algal organic matter (AOM) has been confirmed to be a precursor of iodinated DBPs (I-DBPs). However,the relationship between AOM and I-DBPs in aquatic environment still remains unknown. This study investigated the distribution of I-THMs in Taihu, and analyted the correlation between I-THMs and AOM in surface water. The total mean I-THMs concentrations in the dry and wet season were 655.9 ng·L-1 and 134.6 ng·L-1, respectively. CHBrI2 and CHI3 were the predominant pollutants, while CHCl2I was detected at the lowest frequency. Four I-THMs (CHCl2I, CHBr2I, CHBrI2, CHI3) correlated positively and significantly (P2I,CHBr2I,CHBrI2,CHI3) showed positive correlation with total phosphorus (TP), and two I-THMs (CHCl2I, CHBr2I) showed positive correlation with total nitrogen (TN). Although two I-THMs (CHCl2I, CHClI2) showed positive correlation with cell concentration of Navicula sp., CHBrI2 correlated negatively with cell concentration of Microcystis sp. and Scenedesmus sp. This investigation suggests that AOM is an important precursor of I-THMs formation in a real aquatic environment.
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  • 收稿日期:  2017-01-20
  • 刊出日期:  2017-12-15
徐志法, 赵卫佳, 张睿, 赵彦凯, 胡霞林, 尹大强. 太湖部分地区碘代三卤甲烷分布特征及其与藻类有机物的关系初探[J]. 环境化学, 2017, 36(12): 2541-2549. doi: 10.7524/j.issn.0254-6108.2017012007
引用本文: 徐志法, 赵卫佳, 张睿, 赵彦凯, 胡霞林, 尹大强. 太湖部分地区碘代三卤甲烷分布特征及其与藻类有机物的关系初探[J]. 环境化学, 2017, 36(12): 2541-2549. doi: 10.7524/j.issn.0254-6108.2017012007
shu
XU Zhifa, ZHAO Weijia, ZHANG Rui, ZHAO Yankai, HU Xialin, YIN Daqiang. Distribution of iodinated trihalomethanes in part of Taihu Lake and correlation analysis between iodinated trihalomethanes and algal organic matter[J]. Environmental Chemistry, 2017, 36(12): 2541-2549. doi: 10.7524/j.issn.0254-6108.2017012007
Citation: XU Zhifa, ZHAO Weijia, ZHANG Rui, ZHAO Yankai, HU Xialin, YIN Daqiang. Distribution of iodinated trihalomethanes in part of Taihu Lake and correlation analysis between iodinated trihalomethanes and algal organic matter[J]. Environmental Chemistry, 2017, 36(12): 2541-2549. doi: 10.7524/j.issn.0254-6108.2017012007
shu

太湖部分地区碘代三卤甲烷分布特征及其与藻类有机物的关系初探

  • 1. 同济大学环境科学与工程学院, 污染控制与资源化研究国家重点实验室, 上海, 200092
  • 收稿日期:  2017-01-20
基金项目:

国家自然科学基金（21277100，21577103）资助.

摘要: 藻类有机物（algal organic matter，AOM）被证实是碘代消毒副产物（iodinated disinfection by-products，I-DBPs）生成的前体有机物，然而真实环境中I-DBPs与AOM的关系还不明确.本文研究了太湖碘代三卤甲烷（iodinated trihalomethanes，I-THMs）的分布特征，并初步分析了地表水中I-THMs与AOM的关系.I-THMs在枯水期与丰水期平均浓度分别是655.9 ng·L-1和134.6 ng·L-1.其中，CHBrI2和CHI3为主要的污染物，而CHCl2I检出相对较低.皮尔森相关性分析表明，CHCl2I、CHClBrI、CHClI2、CHI3等I-THMs均与叶绿素a具有显著正相关性，而CHCl2I、CHBr2I、CHBrI2、CHI3与总磷TP、CHCl2I、CHBr2I与总氮TN均具有显著正相关性；CHCl2I、CHClI2与舟形藻（Navicula sp.）细胞浓度也具有显著正相关，但CHBrI2等与微囊藻（Microcystis sp.），栅藻（Scenedesmus sp.）细胞浓度呈显著负相关（P<0.05）.本研究间接表明，真实环境中AOM是I-THMs的一个重要来源.

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