PAHs Concentration Level Evaluation of Water Purification Plants in Three Gorges Area
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Abstract:
With GC/MS Approach, PAHs in raw water and effluent of six water purification plants in Three Gorges Reservoir Area are analyzed quantificationally. Six species of PAHs such as acenaphthene, phenanthrene, anthracene, pyrene, fluoranthene and acenaphthylene are determined. Of which, fluoranthene is priority pollutant firstly listed by SEPA. The results show that there are several variety of PAHs in raw water and effluent in water purification plants of Three Gorges Reservoir Area, but on the whole, PAHs concentration level is low. The results also show that PAHs removal capacity of conventional water treatment techniques is poor.
