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黄河口表层沉积物多环芳烃污染源解析研究

刘宗峰 郎印海 曹正梅 马启敏

刘宗峰, 郎印海, 曹正梅, 马启敏. 黄河口表层沉积物多环芳烃污染源解析研究[J]. 环境科学研究, 2008, 21(5): 79-84.
引用本文: 刘宗峰, 郎印海, 曹正梅, 马启敏. 黄河口表层沉积物多环芳烃污染源解析研究[J]. 环境科学研究, 2008, 21(5): 79-84.
LIU Zong-feng, LANG Yin-hai, CAO Zheng-mei, MA Qi-min. Source Apportionment of PAHs in Estuarine Sediments from the Yellow River[J]. Research of Environmental Sciences, 2008, 21(5): 79-84.
Citation: LIU Zong-feng, LANG Yin-hai, CAO Zheng-mei, MA Qi-min. Source Apportionment of PAHs in Estuarine Sediments from the Yellow River[J]. Research of Environmental Sciences, 2008, 21(5): 79-84.

黄河口表层沉积物多环芳烃污染源解析研究

基金项目: 国家自然科学基金项目(40706039)

Source Apportionment of PAHs in Estuarine Sediments from the Yellow River

  • 摘要: 利用气相色谱-质谱联用仪对黄河口表层沉积物中25种多环芳烃进行了分析.结果显示:沉积物中w(PAHs)为48.56~277.12 ng/g,平均值为122.92 ng/g,表明PAHs处于较低的污染水平.PAHs组分中2~3环PAHs所占比例最大,其中w(萘)最高,w(菲),w(1-甲基萘)和w(2-甲基萘)也较高.PAHs来源诊断比值〔w(□)/w(亲体PAHs)〕分析表明,石油污染和化石燃料的高温燃烧是黄河口沉积物中PAHs的主要来源;因子分析/多元线性回归分析显示,PAHs主要来源于交通燃油和天然气燃烧排放、石油污染、焦炉燃烧排放三大污染源,其中石油污染贡献最大(占74.5%),而交通燃油和天然气燃烧排放、焦炉燃烧排放所占比例相对较小,分别为12.8%和12.7%.

     

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出版历程
  • 收稿日期:  2008-01-10
  • 修回日期:  2008-03-04
  • 刊出日期:  2008-10-25

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