Composition and Source of VOCs on Ozone Pollution Days in Xianning City

柯鹏振; 胡金涛; 吴雅琴; 王珺婷; 夏丽星

doi:10.19672/j.cnki.1003-6504.0366.23.338

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Composition and Source of VOCs on Ozone Pollution Days in Xianning City

更新时间：2026-11-05

- Composition and Source of VOCs on Ozone Pollution Days in Xianning City
- Vol. 47, Issue S1, Pages: 102-110(2024)
- 作者机构：
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- DOI：10.19672/j.cnki.1003-6504.0366.23.338
  CLC： X51
- Published：2024
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柯鹏振, 胡金涛, 吴雅琴, et al. Composition and Source of VOCs on Ozone Pollution Days in Xianning City[J]. 2024, 47(S1): 102-110.
DOI：

柯鹏振, 胡金涛, 吴雅琴, et al. Composition and Source of VOCs on Ozone Pollution Days in Xianning City[J]. 2024, 47(S1): 102-110. DOI： 10.19672/j.cnki.1003-6504.0366.23.338.

摘要

该研究利用在线监测仪器获取了咸宁市2021年6-8月环境大气中107种挥发性有机化合物（VOCs）小时浓度数据，对比研究了咸宁市臭氧污染日与非污染日VOCs组成及来源。观测期间，VOCs臭氧污染日平均浓度为16.6×10~(-9)，非污染日平均浓度为13.9×10~(-9)。臭氧污染日各类VOCs浓度占比大小为烷烃（31.3%）丙酮（25.6%）卤代烃（13.6%)OVOCs(8.8%）烯烃（7.6%）乙炔（6.9%）芳香烃（6.2%）。利用最大反应增量估算了各类VOCs对臭氧生成潜势贡献大小，具体为烯烃（49.4%）芳香烃（16.2%)OVOCs(13.9%）烷烃（11.6%）乙炔（4.3%）。将监测数据输入PMF模型，结果显示，污染日VOCs最主要来源为机动车排放源及工业排放源，非污染日VOCs最主要排放源为机动车排放源。

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