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上海市河流表层沉积物中的氯酚、溴酚及多环芳烃

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吴明红, 李刚, 徐刚, 马静. 上海市河流表层沉积物中的氯酚、溴酚及多环芳烃[J]. 环境化学, 2012, 31(11): 1750-1758.
引用本文: 吴明红, 李刚, 徐刚, 马静. 上海市河流表层沉积物中的氯酚、溴酚及多环芳烃[J]. 环境化学, 2012, 31(11): 1750-1758.
shu
WU Minghong, LI Gang, XU Gang, MA Jing. Chlorophenols, bromophenols and polycyclic aromatic hydrocarbons in surface sediments of rivers in Shanghai, China[J]. Environmental Chemistry, 2012, 31(11): 1750-1758.
Citation: WU Minghong, LI Gang, XU Gang, MA Jing. Chlorophenols, bromophenols and polycyclic aromatic hydrocarbons in surface sediments of rivers in Shanghai, China[J]. Environmental Chemistry, 2012, 31(11): 1750-1758.
shu

上海市河流表层沉积物中的氯酚、溴酚及多环芳烃

  • 1.

    上海大学环境与化学工程学院, 上海, 200444

  • 基金项目:

    国家自然科学基金(21007039, 40830744)

    上海市重点学科(S30109)资助.

Chlorophenols, bromophenols and polycyclic aromatic hydrocarbons in surface sediments of rivers in Shanghai, China

  • 1.

    School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China

  • Fund Project:

  • 摘要: 应用气相色谱/质谱(GC/MS)分析了上海市黄浦江、苏州河及蕰藻浜表层底泥样品中19种氯酚(CPs)、2种溴酚(BPs)和美国环保局(EPA)优先控制的16种多环芳烃(PAHs)的含量. 结果表明,黄浦江底泥中19种CPs的总平均浓度最高(18.3 ng·g-1 干重(dw)),苏州河次之(14.8 ng·g-1 dw),蕰藻浜最低(4.44 ng·g-1 dw),而两种BPs的含量相当. 4-氯酚(4-CP)和五氯酚(PCP)是占主导的污染物,表明底泥中CPs可能受人类生活生产活动的影响较大;而BPs的来源有待进一步深入的研究. CPs的毒性当量贡献值随着氯原子取代数的增加而增加. 底泥中16种PAHs的总浓度范围是132-6800 ng·g-1 dw(平均值为3050 ng·g-1 dw). PAHs组成特征及源解析表明,底泥中PAHs主要来自燃烧源. 生态风险分析显示,上海市水体底泥中的PAHs均未超过生态风险评价中值(ERM),表明不存在严重和频发的PAHs生态毒理风险.
    Abstract: Pollution levels, spatial distributions, potential sources, and ecological risk of nighteen individual chlorophenol (CP) congeners, two bromophenols (BPs) and sixteen polycyclic aromatic hydrocarbons (PAHs) in the surface sediments from the Huangpu River, Suzhou River and Yunzao Brook in Shanghai were determined. The highest mean concentration of total 19 CP congeners was found in the surface sediment of the Huangpu River (18.3 ng穏-1 dw), followed by the Suzhou River (14.8 ng穏-1) and the Yunzao Brook (4.44 ng穏-1 dw). Whereas the mean concentrations of total 2 bromophenols were comparable in the sediment samples of the three rivers. Chlorophenols mainly come from human activities,and the sources of bromophenols were not clear and further study will be needed. The results of principal components analysis (PCA) showed that 4-chlorophenol (4-CP) and pentachlorophenol (PCP) were the predominant congeners in group 1 and group 2 respectively. A trend of increasing TEQ contributions to the total CPs with increasing extent of chlorination was found in the riverine sediments in this study. The arithmetic mean concentrations of total 16 PAHs concentration in the sediments was 3050 ng穏-1 dw with a range of 132 to 6800 ng穏-1 dw. Source analysis suggested that combustion and petroleum were the dominant contributors to PAHs in the three rivers in Shanghai. Compared with the sediment quality guidelines (SQGs) of PAHs, occasionally negative effects still existed in the sediments of the three rivers.
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  • 收稿日期:  2012-02-20
吴明红, 李刚, 徐刚, 马静. 上海市河流表层沉积物中的氯酚、溴酚及多环芳烃[J]. 环境化学, 2012, 31(11): 1750-1758.
引用本文: 吴明红, 李刚, 徐刚, 马静. 上海市河流表层沉积物中的氯酚、溴酚及多环芳烃[J]. 环境化学, 2012, 31(11): 1750-1758.
shu
WU Minghong, LI Gang, XU Gang, MA Jing. Chlorophenols, bromophenols and polycyclic aromatic hydrocarbons in surface sediments of rivers in Shanghai, China[J]. Environmental Chemistry, 2012, 31(11): 1750-1758.
Citation: WU Minghong, LI Gang, XU Gang, MA Jing. Chlorophenols, bromophenols and polycyclic aromatic hydrocarbons in surface sediments of rivers in Shanghai, China[J]. Environmental Chemistry, 2012, 31(11): 1750-1758.
shu

上海市河流表层沉积物中的氯酚、溴酚及多环芳烃

  • 1. 上海大学环境与化学工程学院, 上海, 200444
  • 收稿日期:  2012-02-20
基金项目:

国家自然科学基金(21007039, 40830744)

上海市重点学科(S30109)资助.

摘要: 应用气相色谱/质谱(GC/MS)分析了上海市黄浦江、苏州河及蕰藻浜表层底泥样品中19种氯酚(CPs)、2种溴酚(BPs)和美国环保局(EPA)优先控制的16种多环芳烃(PAHs)的含量. 结果表明,黄浦江底泥中19种CPs的总平均浓度最高(18.3 ng·g-1 干重(dw)),苏州河次之(14.8 ng·g-1 dw),蕰藻浜最低(4.44 ng·g-1 dw),而两种BPs的含量相当. 4-氯酚(4-CP)和五氯酚(PCP)是占主导的污染物,表明底泥中CPs可能受人类生活生产活动的影响较大;而BPs的来源有待进一步深入的研究. CPs的毒性当量贡献值随着氯原子取代数的增加而增加. 底泥中16种PAHs的总浓度范围是132-6800 ng·g-1 dw(平均值为3050 ng·g-1 dw). PAHs组成特征及源解析表明,底泥中PAHs主要来自燃烧源. 生态风险分析显示,上海市水体底泥中的PAHs均未超过生态风险评价中值(ERM),表明不存在严重和频发的PAHs生态毒理风险.

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