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Environmental Science and Pollution Research

, Volume 23, Issue 5, pp 4509–4521 | Cite as

Impact of emission control on PM2.5 and the chemical composition change in Beijing-Tianjin-Hebei during the APEC summit 2014

  • Wei Wen
  • Shuiyuan Cheng
  • Xufeng Chen
  • Gang Wang
  • Song Li
  • Xiaoqi Wang
  • Xiaoyu Liu
Research Article

Abstract

The success of the emission reduction measures undertaken by authorities in the Asia-Pacific Economic Cooperation summit 2014 demonstrated that the Beijing-Tianjin-Hebei air quality can be improved by introducing integrated emission reduction measures. This paper combines observation data, emission reduction measures, and air quality simulations that were applied before, during, and after the emission control measure implement to analyze the chemical composition change and relationship between emissions and concentrations of pollutants in region. The 24-h PM2.5 samples were collected in the city Beijing, Shijiazhuang, and Tangshan during the period of 20 October to 25 November, 2014. The total PM2.5 mass was measured. PM2.5 samples were used for the analysis of inorganic elements, selected ions, and organic carbon (OC) and element carbon (EC). PM2.5 concentrations during the emission control period were decreased. Total PM2.5 concentrations were reduced by 54, 26, and 39 % when compared to non-emission control period in Beijing, Shijiazhuang, and Tangshan. The average element concentrations were reduced significantly by 75 % in Beijing, 37 % in Shijiazhuang, and 36 % in Tangshan. After the Asia-Pacific Economic Cooperation (APEC) conference, the average element concentration increased. At both cities, the concentration secondary water-soluble ions, primary carbon, and element carbon were reduced. However, the concentration of secondary carbon species increased in Beijing due to photochemical oxidants change. More stringent control of regional emissions will be needed for significant reductions of fine particulate pollution in the region to continue to improve air quality.

Keywords

AEPC summit PM2.5 emission control Chemical composition Emission control assessment 

Notes

Acknowledgments

This research was supported by the Natural Sciences Foundation of China, the Ministry of Environmental Protection Special Funds for Scientific Research on Public Causes (Nos. 201409006 and 201409007), the “Beijing Science and Technology Project” of the Beijing Municipal Science and Technology Commission (No. Z141108001314048). The authors are grateful to the editors and the anonymous reviewers for their insightful comments.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Wei Wen
    • 1
    • 2
  • Shuiyuan Cheng
    • 1
    • 3
  • Xufeng Chen
    • 4
  • Gang Wang
    • 1
  • Song Li
    • 1
  • Xiaoqi Wang
    • 1
  • Xiaoyu Liu
    • 1
  1. 1.College of Environmental and Energy EngineeringBeijing University of TechnologyBeijingPeople’s Republic of China
  2. 2.Environmental Meteorology Forecast Center of Beijing-Tianjin-HebeiChinese Meteorological AdministrationBeijingChina
  3. 3.Collaborative Innovation Center of Electric VehiclesBeijingChina
  4. 4.Tangshan Environmental Monitoring StationTangshanChina

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