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Emission Fluxes of Volatile Organic Compounds from Three Heavily Polluted Rivers in Guangzhou, South China

  • Yanzhi Chen
  • Weibin PanEmail author
  • Fenghuan Wu
Article

Abstract

Emissions of volatile organic compounds (VOCs) were studied from three heavily polluted rivers (Huijiang, Nancun, and Zengbian Rivers) in Guangzhou, South China. A total of 49 species of VOCs were identified. Nancun River had the highest concentration of total VOCs (TVOCs), which ranged from 1,467 to 5,522 μg m−3. Trichloroethene, benzene, toluene, ethylbenzene, m/p-xylene, o-xylene, styrene, and 1,3,5-trimethylbenzene were the main pollutants. The levels of VOCs evaporated from the three rivers exhibited different patterns. Correlations between the concentrations of major VOCs were established and found to be statistically significant, except for o-xylene. The ratios of toluene/benzene, ethylbenzene/benzene, and xylene/benzene were estimated and found to be higher than widely reported in the literature. TVOC fluxes in the three rivers were calculated to be the range from 24.8 to 765 μg m−2 h−1. This study provides a regional background for the emission inventories of VOCs from heavily polluted rivers in southern China and provides resource managers with important information to guide remediation and policy concerning VOC emissions to the environment.

Keywords

Volatile organic compounds Polluted rivers Emission fluxes Emission inventories Guangzhou 

Notes

Acknowledgments

We would like to express our appreciation for the financial support of the student research program at the Environmental Sciences and Technology, South China University of Technology. We would also like to thank Xiangjia Chen, Xiaohui Hou, Dengyu Huang, Xinyu Huang, Shuhua Zhao, Xiaochun Ma, and Zhiying Liu for their assistance with the sampling and analysis. We are also grateful to Prof. Randy Dahlgren for his assistance with revising the manuscript.

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  1. 1.College of Environmental Science and EngineeringSouth China University of Technology, The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of EducationGuangzhouChina

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