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Concentration levels and distribution features of PAEs in water environment in Shanghai
Received date: 2016-03-25
Online published: 2016-04-30
Having selected 5 waste water treatment plants and 11 sampling points in Huangpu River, Shanghai, as research objects, a solid phase micro-extraction (SPME) mode was took to measure phthalate esters (PAEs) in waters. The results showed that diisobutyl phthalate (DIBP), benzyl butyl phthalate (BBP) and di(2-ethylhexyl) phthalate (DEHP) were major contributors of PAEs concentration, thus making them the main pollutants in Huangpu River. DIBP claimed much more responsibility than any other PAEs for the PAEs concentrations during inflow in waste water treatment plants. The PAEs concentrations decreased tremendously during outflow, and were far lower than those during inflow. With the average removal rate in 5 sewage water plants exceeding 70%, PAEs had been very well disposed. Ranging from 18.071~346.662 μg/L, PAEs concentrations in surface water were much lower in agricultural watersheds in the upstream than in business areas in the downstream of Huangpu River. A correlation analysis between PAEs discharged by water treatment plants and PAEs in Huangpu River showed no direct relevance between them. Therefore, specific sources of water pollutants in surface water requires further research.
WU Minghong, WANG Fulin, YANG Xuexia, SHI Mingge, XU Gang . Concentration levels and distribution features of PAEs in water environment in Shanghai[J]. Journal of Shanghai University, 2016 , 22(2) : 105 -113 . DOI: 10.3969/j.issn.1007-2861.2016.02.004
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