Size Distribution and Elemental Characteristics of Atmospheric Particles during Winter in Harbin

Abstract:

In order to investigate the characteristic of atmospheric particles, TSP, PM₁₀ and PM_2.5 were collected in winter and non-winter. This study investigates the size distribution and elemental characteristics of atmospheric particles. The results show that PM_2.5 makes a great contribution to TSP, which changes with the concentration of TSP. PM_2.5/ PM₁₀ specially reaches the highest value, increased from 53.5% to 87.2%. It can indicate that the main pollution sources are fine particles from man-made pollution. Others, PM_2.5/TSP and TSP are not strictly proportional relationship. The concentration of the elements in TSP is higher than in PM_2.5, which are primarily present in coarse particles. While the contribution of S is the highest among them, in particular the contribution of S in PM_2.5 reaches 33.8%. This is mainly due to coal-fired in winter, and fine particulate accounts for large percentage in coal dust.

• Periodical: Advanced Materials Research (Volumes 183-185)
• Pages: 1345-1348
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.183-185.1345
• Online since: January 2011
• Authors: Li Kun Huang, Guang Zhi Wang
• Keywords: Atmospheric Particles, Elemental Characteristic, Size Distributions, Winter

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