本文關(guān)鍵詞： 長三角區(qū)域 杭州G峰會 揮發(fā)性有機物 二次有機氣溶膠 PMF源解析 條件概率函數(shù)　出處：《環(huán)境科學(xué)》2017年07期 　論文類型：期刊論文

【摘要】：2016年G20杭州峰會期間,應(yīng)用TH-300B揮發(fā)性有機物在線監(jiān)測儀對江蘇省宜興市大氣VOCs進行監(jiān)測,烷烴、烯烴、芳香烴、乙炔、氯代烴、OVOC、乙腈體積混合比分別為11.00×10~(-9)、1.93×10~(-9)、5.78×10~(-9)、1.23×10~(-9)、4.16×10~(-9)、10.37×10~(-9)、0.27×10~(-9),應(yīng)用臭氧最大生成潛勢系數(shù)計算,烯烴和芳香烴為OFP貢獻最大的活性組分,VOCs中臭氧前體物NMHCs主要來源為工業(yè)排放(42.2%)、機動車尾氣(17.9%)、油氣揮發(fā)(20.8%)、溶劑揮發(fā)(7.0%)、植物源貢獻(12.1%),結(jié)合條件概率函數(shù)分析,其中的人為污染源與西北、東南方向的污染源分布有關(guān),植物源與西南山地丘陵區(qū)域有關(guān).在大氣污染物排放嚴格管控期(2016-09-01~2016-09-06),主要源于一次排放的大氣污染物濃度均有所下降,NMHCs中工業(yè)源占比下降至30.5%,植物源占比上升至16.8%.
[Abstract]:During the G20 summit in Hangzhou in 2016, the TH-300B volatile organic compounds online monitor was used to monitor atmospheric VOCs in Yixing City, Jiangsu Province, including alkanes, alkenes, aromatics, acetylene, alkanes, alkenes, alkenes, alkenes, The volume mixing ratios of chlorinated hydrocarbons and acetonitrile are 11.00 脳 10 ~ (10) ~ (-9) and 1.93 脳 10 ~ (10) ~ (-9) ~ 1.78 脳 10 ~ (10) ~ (10) ~ (-9) ~ 1.23 脳 10 ~ (10) C ~ (-9), respectively. The results are calculated by using the maximum ozone generation potential coefficient, which is 10.37 脳 10 ~ (-10) ~ (-9) ~ (-9) 脳 10 ~ (10) C ~ (-1). Olefins and aromatic hydrocarbons contribute most to OFP. The main sources of ozone precursor (NMHCs) in OFP are industrial emission of 42.2%, motor vehicle exhaust 17.9%, oil and gas volatilization 20.8%, solvent volatilization 7.0%, phytogenic contribution 12.1G, and conditional probability function analysis. The anthropogenic pollution sources are related to the distribution of pollution sources in the northwest and southeast. The plant source is related to the mountainous and hilly region of southwest China. In the period of strict control of atmospheric pollutant emission, the concentration of air pollutants mainly due to the primary discharge has decreased to 30.5% of NMHCs, and the proportion of plant source to 16.8%.
【作者單位】： 江蘇省環(huán)境監(jiān)測中心;宜興市環(huán)境監(jiān)測站;南京科略環(huán)境科技有限責任公司;
【基金】：國家科技支撐計劃項目(2016YFC0201800) 江蘇環(huán)保科研項目(2016001) 江蘇省環(huán)境監(jiān)測基金項目(1307)
【分類號】：X51
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本文編號：1548698