Sources Analysis of Heavy Metal Aerosol Particles in North Suburb of Nanjing

QIN Xin1 ZHANG Ze-feng2 LI Yan-wei2 SHEN Yan2 ZHAO Shu-hui1

(1.Weather Modification Office in Liaoning Province, Shenyang, China 110016)
(2.Key Laboratory for Aerosol-Cloud-Precipition of China Meteorological Administration, Nanjing University of Information Science and Technology, Nanjing, China 210044)

【Abstract】Heavy metal aerosol particles were first measured with Single Particle Aerosol Mass Spectrometry (SPAMS) in north suburb of Nanjing from January to December, 2013. Using the ART-2a neural network algorithm, we studied the chemical characteristics of aerosol particles and found that the main sources of heavy metal aerosols in Nanjing were industrial emissions, biomass combustion, traffic emissions, fuel combustion and mineral dust, accounting for 35.7%, 34.45%, 13.6%, 11.03% and 4.07%, respectively. Pb, Cd and Cr containing aerosols mainly came from industrial emissions. Cu, Co and Hg-containing aerosols mainly came from biomass burning. V, Zn and Ba-containing aerosols mainly came from traffic emissions. As and Ni-containing aerosols mainly came from fuel combustion.

【Keywords】 heavy metal aerosols; source apportionment; SPAMS; Nanjing;

【DOI】

【Funds】 National Natural Science Foundation of China (41275152, 41005071) Preponderant Discipline Construction Project of the Higher Education Institutions of Jiangsu Province, China (PAPD)

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This Article

ISSN:0250-3301

CN: 11-1895/X

Vol 37, No. 12, Pages 4467-4474

December 2016

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Article Outline

Abstract

  • 1 Materials and methods
  • 2 Results and discussion
  • 3 Conclusion
  • References