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太原市雨水中多环芳烃的污染特征

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张啸, 崔阳, 张桂香, 何秋生, 王新明. 太原市雨水中多环芳烃的污染特征[J]. 环境化学, 2014, 33(12): 2144-2151. doi: 10.7524/j.issn.0254-6108.2014.12.012
引用本文: 张啸, 崔阳, 张桂香, 何秋生, 王新明. 太原市雨水中多环芳烃的污染特征[J]. 环境化学, 2014, 33(12): 2144-2151. doi: 10.7524/j.issn.0254-6108.2014.12.012
shu
ZHANG Xiao, CUI Yang, ZHANG Guixiang, HE Qiusheng, WANG Xinming. Characteristics of polycyclic aromatic hydrocarbons in rainwater in Taiyuan[J]. Environmental Chemistry, 2014, 33(12): 2144-2151. doi: 10.7524/j.issn.0254-6108.2014.12.012
Citation: ZHANG Xiao, CUI Yang, ZHANG Guixiang, HE Qiusheng, WANG Xinming. Characteristics of polycyclic aromatic hydrocarbons in rainwater in Taiyuan[J]. Environmental Chemistry, 2014, 33(12): 2144-2151. doi: 10.7524/j.issn.0254-6108.2014.12.012
shu

太原市雨水中多环芳烃的污染特征

  • 1.

    太原科技大学环境与安全学院, 太原, 030024;

  • 2.

    中国科学院广州地球化学研究所, 有机地球化学国家重点实验室, 广州, 510640

  • 基金项目:

    国家自然科学基金面上项目(41172316)

    国家教育部重点项目(211026)

    山西省青年科技研究基金(2011021025-2)

    山西省回国留学人员科研资助项目(2011080)资助.

Characteristics of polycyclic aromatic hydrocarbons in rainwater in Taiyuan

  • 1.

    School of Environment and Safety, Taiyuan University of Science and Technology, Taiyuan, 030024, China;

  • 2.

    State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China

  • Fund Project:

  • 摘要: 对太原市2012年3—10月雨水中16种溶解态多环芳烃(PAHs)的分布特征、沉降通量和来源进行了分析.结果表明,16种PAHs总的(∑16-PAHs)平均浓度为1081.2 ng·L-1 (范围为316.8—6272.3 ng·L-1),以2—3环PAHs为主,占75.4%,4环和5—6环PAHs分别占18.2%和6.4%.∑16-PAHs浓度与温度(PP-2·d-1,9月的沉降通量最高(2342.8 ng·m-2·d-1),其次是7月(1604.4 ng·m-2·d-1),10月的最低(83.3 ng·m-2·d-1),其中2—3环PAHs的沉降通量明显高于4环和5—6环PAHs,∑16-PAHs的月沉降通量与月平均降雨量(PP<0.05)呈显著正相关.利用特征比值法判断PAHs的主要来源是煤燃烧,同时也存在一定的石油燃烧源和少部分的石油源.
    Abstract: Distribution, sources and deposition fluxes of 16 dissolved polycyclic aromatic hydrocarbons (PAHs) in rainwater samples collected from March to October in 2012 in Taiyuan were investigated in this study. The mean concentration of total 16 PAHs (∑16-PAHs) was 1081.2 ng·L-1 (ranged from 316.8 to 6272.3 ng·L-1). 2—3 ring-PAHs were the major components, accounting for 75.4%, and 4 ring- and 5—6 ring-PAHs accounted for 18.2% and 6.4%, respectively. Significant positive correlations between concentrations of ∑16-PAHs and temperatures (PP-2·d-1. The highest deposition fluxes occurred in September, followed by July, and the lowest occurred in October. There were significant positive correlations between deposition fluxes of ∑16-PAHs in different months and their mean rainfalls (PP<0.05). The results of diagnostic ratios of PAHs indicated the sources of PAHs in Taiyuan mainly derived from coal combustion, and also some from petroleum combustion and a little from petroleum.
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  • 收稿日期:  2014-03-11
张啸, 崔阳, 张桂香, 何秋生, 王新明. 太原市雨水中多环芳烃的污染特征[J]. 环境化学, 2014, 33(12): 2144-2151. doi: 10.7524/j.issn.0254-6108.2014.12.012
引用本文: 张啸, 崔阳, 张桂香, 何秋生, 王新明. 太原市雨水中多环芳烃的污染特征[J]. 环境化学, 2014, 33(12): 2144-2151. doi: 10.7524/j.issn.0254-6108.2014.12.012
shu
ZHANG Xiao, CUI Yang, ZHANG Guixiang, HE Qiusheng, WANG Xinming. Characteristics of polycyclic aromatic hydrocarbons in rainwater in Taiyuan[J]. Environmental Chemistry, 2014, 33(12): 2144-2151. doi: 10.7524/j.issn.0254-6108.2014.12.012
Citation: ZHANG Xiao, CUI Yang, ZHANG Guixiang, HE Qiusheng, WANG Xinming. Characteristics of polycyclic aromatic hydrocarbons in rainwater in Taiyuan[J]. Environmental Chemistry, 2014, 33(12): 2144-2151. doi: 10.7524/j.issn.0254-6108.2014.12.012
shu

太原市雨水中多环芳烃的污染特征

  • 1.  太原科技大学环境与安全学院, 太原, 030024;
  • 2.  中国科学院广州地球化学研究所, 有机地球化学国家重点实验室, 广州, 510640
  • 收稿日期:  2014-03-11
基金项目:

国家自然科学基金面上项目(41172316)

国家教育部重点项目(211026)

山西省青年科技研究基金(2011021025-2)

山西省回国留学人员科研资助项目(2011080)资助.

摘要: 对太原市2012年3—10月雨水中16种溶解态多环芳烃(PAHs)的分布特征、沉降通量和来源进行了分析.结果表明,16种PAHs总的(∑16-PAHs)平均浓度为1081.2 ng·L-1 (范围为316.8—6272.3 ng·L-1),以2—3环PAHs为主,占75.4%,4环和5—6环PAHs分别占18.2%和6.4%.∑16-PAHs浓度与温度(PP-2·d-1,9月的沉降通量最高(2342.8 ng·m-2·d-1),其次是7月(1604.4 ng·m-2·d-1),10月的最低(83.3 ng·m-2·d-1),其中2—3环PAHs的沉降通量明显高于4环和5—6环PAHs,∑16-PAHs的月沉降通量与月平均降雨量(PP<0.05)呈显著正相关.利用特征比值法判断PAHs的主要来源是煤燃烧,同时也存在一定的石油燃烧源和少部分的石油源.

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