Catchment area, fate, and environmental risks investigation of micropollutants in Danish wastewater.
Chemicals of emerging concern
GC × GC-QToF
LC-QToFMS
Micropollutants
Pharmaceuticals
Removal efficiency
Wastewater epidemiology
Wastewater treatment
Journal
Environmental science and pollution research international
ISSN: 1614-7499
Titre abrégé: Environ Sci Pollut Res Int
Pays: Germany
ID NLM: 9441769
Informations de publication
Date de publication:
Dec 2023
Dec 2023
Historique:
received:
06
02
2023
accepted:
04
10
2023
medline:
7
12
2023
pubmed:
11
11
2023
entrez:
10
11
2023
Statut:
ppublish
Résumé
This study aimed to investigate the spatial distribution of micropollutants in wastewater related to catchment area, and their environmental risks and fate. About 24-h flow proportional effluent (n = 26) wastewater samples were collected from eight WWTPs across Denmark. From five of these WWTPs corresponding influent samples (n = 20) were collected. Samples were enriched by multi-layer solid phase and analysed by liquid chromatography-high-resolution mass spectrometry and comprehensive two-dimensional gas chromatography with high-resolution mass spectrometry detection. We detected and quantified 79 micropollutants from a list of 291 micropollutants in at least one influent or effluent wastewater sample. From this we found that 54 micropollutants decreased in concentrations during wastewater treatment, while O-desmethylvenlafaxine, carbamazepine, amitriptyline, benzothiazole, terbutryn, and citalopram increased in concentrations through the WWTP.The toxicity of effluent wastewater samples was assessed by EC50 using Raphidocelis subcapitata (R. subcapitata) and LC50 using the crustacean Daphnia magna (D. Magna), for which six micropollutants were detected above the predicted no-effect concentration. Our study demonstrates that catchment area influences the micropollutant composition of wastewater. Out of 19 pharmaceuticals, the measured concentration in influent wastewater was predicted within a factor of 10 from sale numbers and human excretion, which demonstrates the strong influence of catchment area on micropollutant composition.
Identifiants
pubmed: 37950122
doi: 10.1007/s11356-023-30331-z
pii: 10.1007/s11356-023-30331-z
pmc: PMC10698095
doi:
Substances chimiques
Wastewater
0
Water Pollutants, Chemical
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
121107-121123Subventions
Organisme : Innovationsfonden
ID : 9067-00032A
Informations de copyright
© 2023. The Author(s).
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