Pollutioncharacteristics of volatile halogenated hydrocarbonsin the surface water of atypicaltown in Taihu Basin

HUANG Yun-zhu; SUI Qian; WANG Jia-qi; HUANG Shao-xin; WANG Bin; XU Dong-jiong; KONG Ming; ZHANG Yi-min

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China Environmental Science ›› 2020, Vol. 40 ›› Issue (5) : 2174-2179.

Environmental Ecology

Pollutioncharacteristics of volatile halogenated hydrocarbonsin the surface water of atypicaltown in Taihu Basin

HUANG Yun-zhu¹, SUI Qian^1,2, WANG Jia-qi¹, HUANG Shao-xin¹, WANG Bin³, XU Dong-jiong⁴, KONG Ming⁵, ZHANG Yi-min⁵

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Abstract

In this study, the concentrations of five VHHs in surface water and five differentsources of VHHs pollution (influent and effluent of municipal wastewater treatment plants (MWWTPs), effluent of industrial wastewater treatment plants (IWWTPs), wastewater from industrial enterprises and aquaculture) weremeasured in Wujin district, Changzhou, a typical town in Taihu Basin. The pollution characteristics of VHHs in surface water and the likely main contributor of VHHs pollution were determined by intensive sampling in the investigated regionacross four seasons. Results showed that the concentrations oftargetVHHsranged from<LOQ to 13.86μg/Lin the studied surface water samples, among which trichloromethaneand trichloroethane were found to be the most and least dominant VHHs in terms of their detection frequencies and occurrence levels, respectively. The annual mean concentrationsof VHHs in all the emission sourcesexceptfor aquaculturewastewater were higher than that in surface water (2.10μg/L). Among the five investigated emission sources, the seasonal variations of VHHs concentrationsin IWWTPs effluent and industrial wastewater exhibited positive correlation relationship with those insurface water; therefore, IWWTPs effluent and industrial wastewaterwere proposed as the main contributors of VHHs contamination in the study region.

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emissionsources / surface water / Taihu Basin / volatile halogenated hydrocarbons

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HUANG Yun-zhu, SUI Qian, WANG Jia-qi, HUANG Shao-xin, WANG Bin, XU Dong-jiong, KONG Ming, ZHANG Yi-min. Pollutioncharacteristics of volatile halogenated hydrocarbonsin the surface water of atypicaltown in Taihu Basin[J]. China Environmental Science. 2020, 40(5): 2174-2179

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