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作者:

Liu, Wen-Wen (Liu, Wen-Wen.) | Fang, Li (Fang, Li.) | Guo, Xiu-Rui (Guo, Xiu-Rui.) | Nie, Lei (Nie, Lei.) | Wang, Min-Yan (Wang, Min-Yan.)

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摘要:

In this study, 23 typical printing enterprises were selected in Beijing-Tianjin-Hebei. Through gas chromatography-mass spectrometry/flame ionization detection (GC-MS/FID), 46 sets of analysis results were obtained to quantitatively analyze the emissions characteristics of volatile organic compounds (VOCs) and the ozone generation potential of these printing enterprises. The results show that the emission concentrations of total VOCs (TVOCs) in exhaust funnels of the printing enterprises varied greatly, ranging from 3.3 mg•m-3to 755.0 mg•m-3. In the printing stations of printing enterprises, the emission concentrations of VOCs were 129.7-958.4 mg•m-3and 19.1-113.7 mg•m-3in packaging and printing enterprises and publications printing enterprises, respectively. The concentration of VOCs emitted by packaging and printing enterprises was significantly higher than that of publications printing enterprises, which is related to the use of solvent-based inks. In terms of VOC composition, oxygen-containing VOCs were the primary type of those emitted by the printing station of packaging and printing enterprises and publications printing enterprises, which accounted for a ratio of 32.6%-99.4%, followed by alkanes. In terms of ozone generation potential, the average of ozone formation potential (OFP) of the printing enterprises was 505.5 mg•m-3, in which the packaging and printing enterprises was 564.1 mg•m-3, and the publication printing enterprises was 52.9 mg•m-3. The average VOC source reactivity (SR) emitted from the printing process was 1.24 g•g-1; that is, 1.24 g of O3 was formed owing to the unit mass of VOC emission, of which the packaging and printing enterprises was 1.70 g•g-1, and the publication printing enterprises was 0.89 g•g-1. According to the OFP and SR, the use of environmentally friendly ink can reduce the generation of O3 and promote air quality improvement. © 2019, Science Press. All right reserved.

关键词:

Air quality Gas chromatography Gas emissions Ionization of gases Ionization potential Mass spectrometry Ozone Packaging Printing presses Publishing Volatile organic compounds

作者机构:

  • [ 1 ] [Liu, Wen-Wen]Key Laboratory of Beijing on Regional Air Pollution Control, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Fang, Li]College of Resource Environment and Tourism, Capital Normal University, Beijing; 100048, China
  • [ 3 ] [Guo, Xiu-Rui]Key Laboratory of Beijing on Regional Air Pollution Control, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Nie, Lei]Beijing Key Laboratory of Urban Atmospheric Volatile Organic Compounds Pollution Control and Application, Beijing Municipal Research Institute of Environmental Protection, Beijing; 100037, China
  • [ 5 ] [Wang, Min-Yan]Beijing Key Laboratory of Urban Atmospheric Volatile Organic Compounds Pollution Control and Application, Beijing Municipal Research Institute of Environmental Protection, Beijing; 100037, China

通讯作者信息:

  • [wang, min-yan]beijing key laboratory of urban atmospheric volatile organic compounds pollution control and application, beijing municipal research institute of environmental protection, beijing; 100037, china

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来源 :

Environmental Science

ISSN: 0250-3301

年份: 2019

期: 9

卷: 40

页码: 3942-3948

被引次数:

WoS核心集被引频次: 0

SCOPUS被引频次: 18

ESI高被引论文在榜: 0 展开所有

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