VOCs EMISSION CHARACTERISTICS AND OZONE IMPACT ANALYSIS OF TYPICAL AUTOMOBILE REPAIR ENTERPRISES IN BEIJING

FANG Li; LIU Ji-ye; NIE Lei; HE Li-juan; WANG Hai-lin

doi:10.13205/j.hjgc.202010023

Volume 38 Issue 10

Nov. 2020

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(10): 146-150,155

FANG Li, LIU Ji-ye, NIE Lei, HE Li-juan, WANG Hai-lin. VOCs EMISSION CHARACTERISTICS AND OZONE IMPACT ANALYSIS OF TYPICAL AUTOMOBILE REPAIR ENTERPRISES IN BEIJING[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(10): 146-150,155. doi: 10.13205/j.hjgc.202010023

Citation:

FANG Li, LIU Ji-ye, NIE Lei, HE Li-juan, WANG Hai-lin. VOCs EMISSION CHARACTERISTICS AND OZONE IMPACT ANALYSIS OF TYPICAL AUTOMOBILE REPAIR ENTERPRISES IN BEIJING[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(10): 146-150,155. doi: 10.13205/j.hjgc.202010023

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VOCs EMISSION CHARACTERISTICS AND OZONE IMPACT ANALYSIS OF TYPICAL AUTOMOBILE REPAIR ENTERPRISES IN BEIJING

doi: 10.13205/j.hjgc.202010023

FANG Li^1,2,3,
LIU Ji-ye^1,2,3,
NIE Lei^1,2,3,
HE Li-juan^1,2,3,
WANG Hai-lin^{1,2,3
,
,}

1. Beijing Municipa Research Institute of Environmental Protection, Beijing 100037, China;
2. Beijing Key Laboratory of Urban Atmospheric Volatile Organic Compounds Pollution Control and Application, Beijing 100037, China;
3. National Engineering and Technology Research Center for Urban Environmental Pollution Control, Beijing 100037, China

Received Date: 2019-11-24

Abstract

Abstract

Through the investigation of 27 auto repair enterprises in Beijing, two typical auto repair enterprises were selected to collect and analyze using the method of air bag sampling-GC-MS-FID, in order to quantitatively analyze the emission characteristics of VOCs, and calculate the ozone generating potential (OFP). The result showed that the emission characteristics of steam repair enterprises using different paints were different. The emission concentration of non-methane total hydrocarbons in water-based paint enterprises was between 0.62~36.49 mg/m³, and the discharge concentration range of oil paint enterprises was 0~100.39 mg/m³. The VOCs emitted by water-based paints were mainly alkanes, accounting for 57.16% of total VOCs, and propane (39.65%) and toluene (11.41%) were primary pollutants. Halogenated hydrocarbon (55.51%) was the main VOCs emission species of oil paint enterprises, and its main components were 1,2-dichloropropane and 1,2-dichloroethane. The OFP of water-based paint enterprises was 144.78 mg/m³, and the oil-forming paint company’s OFP was 664.43 mg/m³. Most of the atmospheric reactive species were aromatic hydrocarbons. The contribution rates of aromatic hydrocarbons to OFP were 52.18% and 88.44%, respectively.
- auto repair,
- volatile organic compounds(VOCs),
- emission characteristics,
- component characteristics,
- ozone generation potential (OFP)

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