Occurrence and Removal of Selected Pharmaceuticals and Personal Care Products in Three Wastewater-Treatment Plants

  • Jeong-Wook Kwon
  • Jose M. Rodriguez


Residues of pharmaceuticals and personal care products (PPCPs) have been detected in surface waters. Incomplete removal of these compounds by wastewater-treatment plants (WWTPs) results in their presence in effluents and finally in surface waters. The occurrence and removal of four PPCPs was investigated in three WWTPs in Mississippi, USA, during a period of 1 year. Influent and effluent were sampled from the three WWTPs. Upstream and downstream samples of the WWTPs were also collected. All four PPCPs were detected in all influents where sulfamethoxazole showed the highest concentration levels with a median concentration of 1,640 ng/L, and carbamazepine was detected at the lowest level with a median concentration of 132 ng/L. Different PPCPs were removed to different extents varying from 99 to 100 %. Gemfibrozil showed the highest removal rates (73–100 %), whereas carbamazepine showed the lowest (−99 to −30 %). Secondary activated sludge in oxidation-ditch process showed remarkable PPCP-specific removal rates. Galaxolide was removed more than the other PPCPs, and sulfamethoxazole showed the least removal. Galaxolide was found to be a predominant PPCP in effluent among the PPCPs studied, and it was detected in all downstream (14.1–428.2 ng/L) and upstream (4.1–60.0 ng/L) samples. Sulfamethoxazole was removed more during the summer than the winter season. A clear increase of PPCP concentrations was observed in most downstream samples compared with upstream samples suggesting that discharges from WWTPs are the major source of PPCPs in surface waters.


Carbamazepine Removal Rate Activate Sludge Gemfibrozil Sulfamethoxazole 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The assistance provided by the operators of the investigated WWTPs is appreciated.


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Mississippi State Chemical LaboratoryMississippi State UniversityMississippi StateUSA
  2. 2.Department of Biochemistry and Molecular Biology, Entomology and Plant PathologyMississippi State UniversityMississippi StateUSA

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