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鞍山市大气PM10中多环芳烃(PAHs)的污染特征及其来源

丁 潇 白志鹏 韩 斌 张杰峰

丁 潇, 白志鹏, 韩 斌, 张杰峰. 鞍山市大气PM10中多环芳烃(PAHs)的污染特征及其来源[J]. 环境科学研究, 2011, 24(2): 162-171.
引用本文: 丁 潇, 白志鹏, 韩 斌, 张杰峰. 鞍山市大气PM10中多环芳烃(PAHs)的污染特征及其来源[J]. 环境科学研究, 2011, 24(2): 162-171.
DING Xiao, BAI Zhi-peng, HAN Bin, ZHANG Jie-feng. Pollution Characteristics and Source Analysis of PAHs in PM10 in Anshan City[J]. Research of Environmental Sciences, 2011, 24(2): 162-171.
Citation: DING Xiao, BAI Zhi-peng, HAN Bin, ZHANG Jie-feng. Pollution Characteristics and Source Analysis of PAHs in PM10 in Anshan City[J]. Research of Environmental Sciences, 2011, 24(2): 162-171.

鞍山市大气PM10中多环芳烃(PAHs)的污染特征及其来源

基金项目: 国家环保公益性行业科研专项(200709048)

Pollution Characteristics and Source Analysis of PAHs in PM10 in Anshan City

  • 摘要: 2005年3月和8月在辽宁省鞍山市8个采样点采集PM10样品,用液相色谱-质谱法分析了PM10上负载的11种多环芳烃(PAHs),并探讨了其分布特征和来源.结果表明:鞍山市PM10中ρ(PAHs)时空变化特征显著,冬季高于夏季,且工业区PAHs污染最严重;在PAHs中4环以上的组分占主导,冬季ρ(4环PAHs)较高,而在夏季ρ(5~6环PAHs)较高.运用比值法和主成分分析法对PAHs来源进行分析,发现冬季的主要污染源为燃煤排放、机动车尾气排放和炼钢工业排放;夏季主要污染源为燃煤排放、机动车尾气排放、生物质燃烧排放和炼钢工业排放等,来源较冬季复杂.机动车尾气排放对PAHs的贡献在2个季节都较为明显,冬季燃煤排放的贡献比重明显增加.

     

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出版历程
  • 收稿日期:  2010-09-16
  • 修回日期:  2010-10-14
  • 刊出日期:  2011-02-25

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