Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 372, Issue -, Pages 17-36Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2018.04.043
Keywords
Emerging pollutants; Surface water; Drinking water; Municipal wastewater; Ecotoxicology
Categories
Funding
- FAPEMIG
- CAPES
- CNPQ
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This is the first review to present data obtained in Brazil over the years regarding contaminants of emerging concern (CEC) and to contrast it with contamination in other countries. Data gathered indicated that caffeine, paracetamol, atenolol, ibuprofen, cephalexin and bisphenol A occur in the mu g L-1 range in streams near urban areas. While endocrine disruptors are frequently detected in surface waters, highest concentrations account for 17 alpha-ethynylestradiol and 17 beta-estradiol. Organochlorine pesticides are the most frequently found and persistent in sediments in agricultural regions. Moreover, in tropical agricultural fields, pesticide volatilization and its implications to ecosystem protection must be better investigated. The reality represented here for Brazil may be transposed to other developing countries due to similarities related to primitive basic sanitation infrastructure and economic and social contexts, which contribute to continuous environmental contamination by CEC. Municipal wastewater treatment facilities in Brazil, treat up to the secondary stage and lead to limited CEC removal. This is also true for other nations in Latin America, such as Argentina, Colombia and Mexico. Therefore, it is an urgent priority to improve sanitation infrastructure and, then, the implementation of tertiary treatment shall be imposed.
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