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北京城郊燃煤汞排放及其对当地空气环境的影响

李 珊 李 洋 梁汉东 王志勇 薛英岚

李 珊, 李 洋, 梁汉东, 王志勇, 薛英岚. 北京城郊燃煤汞排放及其对当地空气环境的影响[J]. 环境科学研究, 2014, 27(12): 1420-1425.
引用本文: 李 珊, 李 洋, 梁汉东, 王志勇, 薛英岚. 北京城郊燃煤汞排放及其对当地空气环境的影响[J]. 环境科学研究, 2014, 27(12): 1420-1425.
LI Shan, LI Yang, LIANG Han-dong, WANG Zhi-yong, XUE Ying-lan. Atmospheric Mercury Emissions from Domestic Coal and Impacts on Local Environment of Suburban Beijing[J]. Research of Environmental Sciences, 2014, 27(12): 1420-1425.
Citation: LI Shan, LI Yang, LIANG Han-dong, WANG Zhi-yong, XUE Ying-lan. Atmospheric Mercury Emissions from Domestic Coal and Impacts on Local Environment of Suburban Beijing[J]. Research of Environmental Sciences, 2014, 27(12): 1420-1425.

北京城郊燃煤汞排放及其对当地空气环境的影响

基金项目: 国家自然科学基金项目(41371449)

Atmospheric Mercury Emissions from Domestic Coal and Impacts on Local Environment of Suburban Beijing

  • 摘要: 为了解生活用煤汞含量水平,分析生活燃煤给当地环境空气中ρ(Hg)带来的影响,使用Lumex RA915+/M测汞仪,现场在线监测了北京市大兴区46户居民家庭燃煤炉口上方空气和村庄环境空气中的ρ(Hg),并对民用蜂窝煤及煤渣样品中的w(Hg)进行了实验室分析. 结果表明:燃煤炉口上方25 cm处空气中ρ(Hg)为20.4~4 583.5 ng/m3,平均值为823.9 ng/m3(n=46);村庄环境空气中ρ(Hg)为5~13 ng/m3,高于当地背景值(1~3 ng/m3);民用蜂窝煤样品中w(Hg)的平均值为326.6 ng/g(n=46),显著高于我国工业原煤中w(Hg)平均值(约150 ng/g);生活燃煤汞排放率达到99.76%,高于电厂等工业燃煤汞排放率. 鉴于生活用煤多为富汞的劣质煤,其w(Hg)及汞排放率远高于工业用煤,并且室内空气污染对人体健康的危害更为直接,因此,生活燃煤造成的汞污染问题应得到更大的重视.

     

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出版历程
  • 收稿日期:  2014-01-02
  • 修回日期:  2014-05-15
  • 刊出日期:  2014-12-25

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