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Atmosphere 2018, 9(8), 297;

Sources Profiles of Volatile Organic Compounds (VOCs) Measured in a Typical Industrial Process in Wuhan, Central China

School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
Environmental Monitoring Center of Wuhan, Wuhan 430022, China
Nanjing Intelligent Environmental Sci-Tech Company Limited, Nanjing 211800, China
College of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China
State Joint Key Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing100871, China
Author to whom correspondence should be addressed.
Received: 30 June 2018 / Revised: 16 July 2018 / Accepted: 24 July 2018 / Published: 30 July 2018
(This article belongs to the Special Issue Air Quality in China: Past, Present and Future)
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Industrial emission is an important source of ambient volatile organic compounds (VOCs) in Wuhan City, Hubei Province, China. We collected 53 VOC samples from petrochemical, surface coating, electronic manufacturing, and gasoline evaporation using stainless canisters to develop localized source profiles. Concentrations of 86 VOC species, including hydrocarbons, halocarbons, and oxygenated VOCs, were quantified by a gas chromatography–flame ionization detection/mass spectrometry system. Alkanes were the major constituents observed in the source profile from the petrochemical industry. Aromatics (79.5~81.4%) were the largest group in auto-painting factories, while oxygenated VOCs (82.0%) and heavy alkanes (68.7%) were dominant in gravure printing and offset printing factories, respectively. Acetone was the largest contributor and the most frequently monitored species in printed circuit board (PCB) manufacturing, while VOC species emitted from integrated chip (IC) were characterized by high contents of isopropanol (56.4–98.3%) and acetone (30.8%). Chemical compositions from vapor of gasoline 92#, 93#, and 98# were almost identical. Alkanes were the dominant VOC group, with i-pentane being the most abundant species (31.4–37.7%), followed by n-butane and n-pentane. However, high loadings of heavier alkanes were observed in the profile of diesel evaporation. View Full-Text
Keywords: VOCs; source profile; industrial; gas station; Wuhan VOCs; source profile; industrial; gas station; Wuhan

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Shen, L.; Xiang, P.; Liang, S.; Chen, W.; Wang, M.; Lu, S.; Wang, Z. Sources Profiles of Volatile Organic Compounds (VOCs) Measured in a Typical Industrial Process in Wuhan, Central China. Atmosphere 2018, 9, 297.

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