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《Research of Environmental Sciences》 2016-02
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Multimedia Fate Modeling of PAHs in Poyang Lake Area

CHEN Chunli;YANG Yang;DAI Xingzhao;LI Zhilong;HE Zongjian;Key Laboratory of Poyang Lake Environment and Resource Utilization of Ministry of Education,School of Environmental and Chemical Engineering,Nanchang University;Office of the Mountain-River-Lake Development Committee of Jiangxi Province;  
A level Ⅲ fugacity model was used to predict and simulate the multimedia distribution and fate of six typical polycyclic aromatic hydrocarbons( PAHs) in the Poyang Lake area. The six typical PAHs included benzo[a]pyrene( BaP),benzo[a]anthracene( BaA),chrysene( Chr),pyrene( Pyr),fluoranthene( Fla) and phenanthrene( Phe),which are priority pollutants according to the United States Environmental Protection Agency( US EPA),and whose data could be obtained for validation of the model. The reliability of the model was verified by the coincidence of the calculated and measured concentrations. The results showed that the calculated concentrations of BaA,Chr,Pyr,Fla and Phe in the water were 0. 0433,0. 0509,0. 0214,0. 1490,0. 1220 and 0. 2950 μg/L,respectively,which were in a good agreement with the corresponding measured concentrations. Also,there was generally good agreement between the calculated and measured concentrations of these six PAHs in the air,soil and sediment. PAHs in the soil and sediment accounted for 92. 6% of total PAHs in the Poyang Lake area,much greater than those in the air and water. The pathways from air to soil,water to sediment and sediment to water were the main transfer or exchange fluxes between the phases. High-ring PAHs were mainly from the input of exotic wastewater( 59. 4%) and air( 33. 6%). Moderate and low-ring PAHs were mainly from the input of local air and exotic wastewater. Soil and sediment were the dominant PAHs sinks in the Poyang Lake area. Much attention should be paid to the secondary pollution caused by therelease of soils and sediments.
【Fund】: 国家重大科学仪器设备开发专项(2011YQ17006713);; 江西省科学技术厅基金项目(20142BAB203022);; 江西省教育厅基金项目(GJJ14127)
【CateGory Index】: X524
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