The variations of concentrations, profilies and possible sources of metals and polycyclic aromatic hydrocarbons in PM10 from Lanzhou, China

• Autorzy: Yu Y. , Wang Q. , Li L. , Sun P. , Zhang Y. , Lin H. , Chen J. , Lin B. , Xiang M.
• Języki publikacji: EN

Abstrakty

EN

Metals and polycyclic aromatic hydrocarbons (PAHs) are ubiquitous pollutants in airborne particulate matter. In order to better understand the concentrations and origins of metals and PAHs bound to particulate matter in Lanzhou city in northwest China, six metals (Cu, Zn, Ni, Pb, Cd, and Cr) and 16 selected PAHs in 108 part iculate matter samples were quantified by inductively coupled plasma/mass spectrometry (ICP-MS) and gas chromatography/mass spectrometry. Results demonstrated that metals and PAHs in the ambient air of Lanzhou city showed regional and seasonal trends, and their concentrations were higher than those in several other Asian and European cities. The high molecular weight PAHs in winter were higher than in summer in both Xigu District and Yuzhong town. The principle components analysis (PCA) method was applied to analyze the sources of metals bound to particulate matters (PM2.5, PM10, TSP) and PAHs bound to PM10, and results showed that vehicle emissions, coal combustion, and oil combustion were probably the main sources of metal and PAHs in Lanzhou PM.

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2016
• Tom: 25
• Numer: 3
• Opis fizyczny: p.1323-1330,fig.,ref.

Twórcy

autor

Yu Y.

• South China Institute of Environmental Science, MEP, Guangzhou 510535, China

autor

Wang Q.

• Chinese Research Academy of Environmental Sciences, Beijing 100012, China
• Institute of Environmental Health and Related Product Safety, China CDC, Beijing 100021, China

autor

Li L.

• South China Institute of Environmental Science, MEP, Guangzhou 510535, China

autor

Sun P.

• State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China

autor

Zhang Y.

• Chinese Research Academy of Environmental Sciences, Beijing 100012, China

autor

Lin H.

• China Institute for Radiation Protection, Taiyuan 030006, China

autor

Chen J.

• Chinese Research Academy of Environmental Sciences, Beijing 100012, China

autor

Lin B.

• South China Institute of Environmental Science, MEP, Guangzhou 510535, China

autor

Xiang M.

• South China Institute of Environmental Science, MEP, Guangzhou 510535, China

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Identyfikatory

DOI

10.15244/pjoes/61541