EMERGING CONTAMINANTS IN BRAZIL IN THE DECADE 2010-2019 - PART I: OCCURRENCE IN VARIOUS AQUATIC ENVIRONMENTS
Keywords:
Contaminantes Emergentes, ETEs, ETAs, OcorrênciaAbstract
The aim of this study was to discuss the state-to-art in relation to the occurrence of emerging contaminants (EC) in water collections in Brazil. For this, scientific papers published between 2010 and 2019, which dealt with the presence of these compounds in raw and treated sewage, as well as in surface waters and treated water, were searched. A total of 27 studies were analysed regarding the presence of these compounds in aquatic matrices, 7 of them in sewers (raw and treated) and 20 in water (surface and treated). Emerging contaminants are present in Brazilian waters, and there may present a decrease in their concentrations along the following sequence of aquatic environments: raw sewage, treated sewage, surface waters (rivers) and public water supply. Sewage treatment stations seem to provide some removal efficiencies although limited, for these compounds, while there is some evidence that the same does not occur in water treatment stations.
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