Occurrence and Removal of Selected Pharmaceuticals in a Wastewater Treatment Plant

Yan Ping Duan; Zhi Hao Wen; Xiang Zhou Meng; Ling Chen

doi:10.4028/www.scientific.net/AMR.573-574.534

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 573-574Occurrence and Removal of Selected Pharmaceuticals...

Occurrence and Removal of Selected Pharmaceuticals in a Wastewater Treatment Plant

Abstract:

The occurrence and removal of selected pharmaceuticals have been investigated in a municipal wastewater treatment plant (WWTP) of Shanghai in this study. Ibuprofen (IBP), naproxen (NPX), ketoprofen (KEP), diclofenac (DFC), and clofibric acid (CA) were selected as target compounds. Results showed that all of these pharmaceuticals were detected in the influent samples with IBP showing the highest concentrations (1380 ng/L). The partition coefficient (logKd) between the particulate and the dissolved phase calculated for KEP, NPX, CA, DFC, and IBP ranged from 1.2 to 2.2 in the raw sewage and the treated effluent suggesting the weak tendency of the target pharmaceuticals being absorbed onto particles. Different compounds were removed to different extent in the WWTP treatment processes. The highest removal efficiency was observed for IBP and the lowest for CA, 87.2% and 36.7%, respectively. The results indicated that municipal WWTP cannot remove these pharmaceuticals efficiently.

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Advanced Materials Research (Volumes 573-574)

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534-537

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https://doi.org/10.4028/www.scientific.net/AMR.573-574.534

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Online since:

October 2012

Authors:

Yan Ping Duan, Zhi Hao Wen, Xiang Zhou Meng, Ling Chen

Keywords:

Municipal Wastewater Treatment Plant, Occurrence, Pharmaceuticals, Removal

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