Cited by 63Atmospheric chemistry and aerosolsToxic Organic Pollutants ImpactAtmospheric aerosols and clouds

Impact of meteorology and energy structure on solvent extractable organic compounds of PM2.5 in Beijing China

Feng, Jialiang, Chan, Chak K., Fang, Ming, Hu, Min, He, Lingyan, Tang, Xiaoyan·2005·Chemosphere

Abstract

Twenty-eight PM2.5 samples collected in Summer (July 2002) and Winter (November 2002) at two sites in Beijing, China were analyzed using GC/MS to investigate the impact of meteorology and coal burning on the solvent extractable organic compounds (SEOC). The characteristics and abundance of the n-alkanes, polycyclic aromatic hydrocarbons (PAHs), n-fatty acids and n-alkanols were determined. Source identification was made using organic species as molecular markers. Semi-volatile compounds of alkanes and PAHs had much higher concentrations in winter than summer because of the large difference in the temperature between the seasons. Plant wax emission was a major contributor to n-alkanes in summer, but fossil fuel residue was a major source (>80%) in winter. The seasonal differences in the distribution of pentacyclic triterpanes clearly shows the impact of coal burning for space heating in winter. The yield of PAHs in winter (148 ng m(-3) at the urban site and 277 ng m(-3) at the suburban site) was six to eight times higher than that in summer and was found to be mainly from coal burning. Higher pollutant concentrations were measured at the suburban site than the urban site in winter due to the rapid expansion of the city limit and the relocation of factories from urban to suburban areas over the last two decades.

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Crossref · 10.1016/j.chemosphere.2005.03.067

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Authors
Feng, J., Chan, C. K., Fang, M., Hu, M., He, L., & Tang, X.
Affiliations
  • Hong Kong University of Science and Technology (HK)
  • Peking University (CN)
Venue
Chemosphere
Publisher
Elsevier BV
Published
2005-11
Volume
61
Issue
5
Pages
623-632
ISSN
0045-6535 (ISSN-L)
OpenAlex
W2071373953
Cited by
63
References
39
Citations by year
2026: 2 · 2025: 3 · 2024: 2 · 2022: 2 · 2021: 3 · 2020: 5 · 2019: 1 · 2018: 4 · 2017: 3 · 2016: 1 · 2015: 5 · 2014: 4 · 2013: 2 · 2012: 3
FWCI
1.70
Type
journal article
Language
en
Open access
closed
Locations
  • Chemosphere (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China
Topics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric chemistry and aerosols
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
  • Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric aerosols and clouds
Keywords
PM2.5, weather effects, coal combustion, polycyclic aromatic hydrocarbons, n-alkanes, n-fatty acids, n-alkanols, pentacyclic triterpanes, molecular markers, source apportionment, seasonal variation, space heating, urbanization, Beijing
MeSH terms
Aerosols, Air Pollutants, China, Cities, Coal, Environmental Monitoring, Fatty Acids, Heating, Organic Chemicals, Particle Size, Seasons, Sunlight, Temperature, Urban Health, Suburban Health

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