Characterization of polycyclic aromatic hydrocarbons of TSP in Beijing, China for a three-year record

Kebin He, Yingtao Jia, Yongliang Ma, Yu Lei, Dihan Zhang, Shigeru Tanaka, Tanaka Okuda

研究成果: Conference contribution

抄録

Based on 24-h sampling once a week from 9/2003 to 4/2006 in Beijing, 16 PAHs of TSP, the life-time of which is enlarged by the aridity in northern China, were examined by using HPLC. The average concentration of PAHs reached 188.4 ng/m3 and 9.9 ng/m3 for BaP. Both PAHs and BaP increased continuously while the ratio of BaP to PAHs decreased in the past several years. FLT, BbF, BeP and PYR contributed 50.6% to total PAHs, which means 4-ring and 5-ring PAHs were dominant. During three typical heating periods, the concentration of PAHs climbed from 291.0 to 664.9 ng/m3 and 15 PAHs, except COR, went up in different extents; together with PAHs, heavy metal Se and As raised simultaneously. The increase of coal combustion and decease of average temperature in winter, which caused the condensation of PAHs, could explain the above result partly. Also, the temperature increase caused by the improvement of combustion efficiency and technology vapored more PAHs from fuel.

本文言語English
ホスト出版物のタイトル233rd ACS National Meeting, Abstracts of Scientific Papers
出版ステータスPublished - 2007 12 28
イベント233rd ACS National Meeting - Chicago, IL, United States
継続期間: 2007 3 252007 3 29

出版物シリーズ

名前ACS National Meeting Book of Abstracts
ISSN(印刷版)0065-7727

Other

Other233rd ACS National Meeting
国/地域United States
CityChicago, IL
Period07/3/2507/3/29

ASJC Scopus subject areas

  • 化学 (全般)
  • 化学工学(全般)

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