Pharmaceutical residues in wastewater treatment works effluents and their impact on receiving river water

J. L. Zhou, Z. L. Zhang, E. Banks, D. Grover, JiaQian Jiang

Research output: Contribution to journalArticle

Abstract

Various pharmaceutical residues are being discharged from wastewater treatment works (WTW) effluents, the impact of which on river water quality is of high relevance to environmental risk assessment. The concentrations of eleven pharmaceutical compounds were determined in three WTWs in England, and the river Ouse receiving effluents fromScaynes HillWTW. Results showthat five compounds propranolol, sulfamethoxazole, carbamazepine, indomethacine and diclofenac were detected in all wastewater and river water samples, with carbamazepine showing the highest concentrations (up to 2336 ng L-1) in WTW influent. Different compounds were removed to different extent in the WTWs, varying from 43 to 92%, with the highest performance obtained by the WTW with tertiary treatment (sand filtration). The pharmaceutical residues from Scaynes Hill WTW were eventually discharged into the river Ouse, causing an elevation in their concentrations downstream of the outfall. This was confirmed by the good agreement between measured concentrations and those predicted by a simple dilution model.

Original languageEnglish
Pages (from-to)655-661
Number of pages7
JournalJournal of Hazardous Materials
Volume166
Issue number2-3
DOIs
Publication statusPublished - 1 Jul 2009

Fingerprint

Waste Water
Rivers
Wastewater treatment
Drug products
river water
Effluents
drug
effluent
Water
Carbamazepine
Pharmaceutical Preparations
Sulfamethoxazole
Outfalls
Diclofenac
river
Propranolol
Risk assessment
Dilution
Water Quality
Water quality

Keywords

  • liquid chromatography
  • wastewater
  • pharmaceuticals

Cite this

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title = "Pharmaceutical residues in wastewater treatment works effluents and their impact on receiving river water",
abstract = "Various pharmaceutical residues are being discharged from wastewater treatment works (WTW) effluents, the impact of which on river water quality is of high relevance to environmental risk assessment. The concentrations of eleven pharmaceutical compounds were determined in three WTWs in England, and the river Ouse receiving effluents fromScaynes HillWTW. Results showthat five compounds propranolol, sulfamethoxazole, carbamazepine, indomethacine and diclofenac were detected in all wastewater and river water samples, with carbamazepine showing the highest concentrations (up to 2336 ng L-1) in WTW influent. Different compounds were removed to different extent in the WTWs, varying from 43 to 92{\%}, with the highest performance obtained by the WTW with tertiary treatment (sand filtration). The pharmaceutical residues from Scaynes Hill WTW were eventually discharged into the river Ouse, causing an elevation in their concentrations downstream of the outfall. This was confirmed by the good agreement between measured concentrations and those predicted by a simple dilution model.",
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Pharmaceutical residues in wastewater treatment works effluents and their impact on receiving river water. / Zhou, J. L.; Zhang, Z. L.; Banks, E.; Grover, D.; Jiang, JiaQian.

In: Journal of Hazardous Materials, Vol. 166, No. 2-3, 01.07.2009, p. 655-661.

Research output: Contribution to journalArticle

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AU - Banks, E.

AU - Grover, D.

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