Occurrence of PPCPs in a Brazilian water reservoir and their removal efficiency by ecological filtration.

Autor: Pompei CME; Water Resources and Applied Ecology Center, São Carlos School of Engineering, University of São Paulo, São Carlos, SP, Brazil. Electronic address: caroline_erba@yahoo.com.br., Campos LC; Department of Civil, Environmental and Geomatic Engineering, University College London, Gower Street, London, WC1E 6BT, United Kingdom. Electronic address: l.campos@ucl.ac.uk., da Silva BF; Institute of Chemistry, State University 'Julio de Mesquita Filho'-UNESP, Araraquara, SP, Brazil. Electronic address: biribisfs@gmail.com., Fogo JC; Department of Statistics, Federal University of São Carlos, SP, Brazil. Electronic address: fogo@ufscar.br., Vieira EM; Department of Chemistry and Molecular Physics, São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP, Brazil. Electronic address: eny@iqsc.usp.br.
Jazyk: angličtina
Zdroj: Chemosphere [Chemosphere] 2019 Jul; Vol. 226, pp. 210-219. Date of Electronic Publication: 2019 Mar 21.
DOI: 10.1016/j.chemosphere.2019.03.122
Abstrakt: The presence of PPCPs (Pharmaceuticals and Personal Care Products) in water sources and drinking water has concerned researchers in recent times. This study was carried out to evaluate the occurrence of 6 PPCPs (namely paracetamol, diclofenac, naproxen, ibuprofen, benzophenone-3 and methylparaben) in the Lobo reservoir, their degradation products, and how efficiently they were removed by 22 ecological filters, considering individual and mixture of compounds. There were 3 spiking events of PPCPs (2 μg L -1 ) in the ecological filter influents conducted with a lag period of 15 days between spikes. Water samples were collected from the influent and effluent of the filters at 3, 6 and 24 h after each spiking event. All target PPCPs were identified in the Lobo reservoir water in the range of μg L -1 . The personal care products were detected with 100% frequency in the samples, and in higher concentrations compared to the pharmaceuticals. Degradation products of diclofenac and benzophenone-3 were identified in the water samples. Results of this investigation show that ecological filtration was an effective process (70-99%) to remove 2 μg L -1 of the selected PPCPs, and demonstrated that the filters were resilient to individual compounds and to their mixtures.
(Copyright © 2019 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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