Pollution Characteristics and Health Risk Assessment of VOCs in Areas Surrounding a Petrochemical Park in Shanghai

SHENG Tao1 CHEN Xiao-jia2 GAO Song1 LIU Qi-zhen1 LI Xue-feng3 FU Qing-yan

(1.National Environmental Protection Shanghai Dianshan Lake Science Observatory Research Station, Shanghai Environmental Monitoring Center, Shanghai, China 200235)
(2.College of Environment Sciences and Engineering of Shanghai Jiao Tong University, Shanghai, China 200240)
(3.Shanghai Xiangde Environmental Science and Technology Co., Ltd., Shanghai, China 200235)

【Abstract】To investigate the pollution characteristics of volatile organic compounds (VOCs) in the vicinity of a petrochemical park, the composition and concentration of VOCs was successively monitored by application of a gas chromatography–flame ionization detector in the residential area surrounding a petrochemical park in Shanghai in October 2017. Moreover, the maximum incremental reactive method was employed to estimate the O3-formation potential contributed by VOCs, and the health risks were assessed. The results showed that during the observation period, the TVOCs concentrations ranged from 16.4 μg·m−3 to 1 947.8 μg·m−3 with an average concentration of 40.7 μg·m−3, whereas the average proportions of alkanes, alkenes/alkynes, and aromatic hydrocarbons were 66.2%, 25.9%, and7.9%, respectively. The diurnal variation of total VOCs concentration showed a monomodal change, with a peak concentration of 127.9 μg·m−3 at 07:00, whereas the TVOCs had an average ozone formation potential (OFP) of 249.7 μg·m−3. The analysis of OFP indicated that trans-2-butene and ethylene were the most important species in ozone production with the accountabilities for total OFP of 153.4 μg·m−3. Propylene, trans-2-butene, and ethylene were the key active species. Furthermore, the health risk assessments revealed that no significant health risks were caused by hexane, benzene, toluene, ethylbenzene, o-xylene, and m-xylene.

【Keywords】 Shanghai; petrochemical park; volatile organic compounds (VOCs) ; pollution characteristics; health risks;


【Funds】 National Key R&D Program of China (2016YFC0201502) Scientific Research Program of Shanghai Science and Technology Commission (16DZ1204600) Special Scientific Research Projects in Environmental Protection Public Welfare Industry (201509004)

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This Article



Vol 39, No. 11, Pages 4901-4908

November 2018


Article Outline


  • 1 Materials and methods
  • 2 Results and discussion
  • 3 Conclusion
  • References