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Title: Uptake and Detoxification of Organic Micropollutants by Macrophytes in Constructed Wetlands
Authors: Dordio, Ana V.
Carvalho, A. J. P.
Hijosa-Valsero, M.
Becares, E.
Editors: Durán-Domínguez-de-Bazúa, María del Carmen
Navarro-Frómeta, Amado Enrique
Bayona, Josep M.
Keywords: Constructed Wetlands
Organic Micropollutants
Wastewater Treatment
Water Pollution
Issue Date: 15-Jun-2018
Publisher: CRC Press
Citation: A. Dordio, A. J. P. Carvalho, M. Hijosa-Valsero and E. Becares (2018). "Uptake and Detoxification of Organic Micropollutants by Macrophytes in Constructed Wetlands". In: María del Carmen Durán-Domínguez-de-Bazúa and Amado Enrique Navarro-Frómeta and Josep M. Bayona (Eds.), Artificial or Constructed Wetlands: A Suitable Technology for Sustainable Water Management: CRC Press, Boca Raton, FL, USA, pp. 387-404
Abstract: Pollution by organic micropollutants (OMPs) is recognized worldwide as an emerging environmental problem. Since conventional wastewater treatment processes are generally ineffective for most of these pollutants, alternative/complementary technologies need to be considered with the aim of more efficiently addressing this problem. Constructed wetlands is a promising technology that uses plants and microorganisms to remove OMPs from wastewaters. As result of their sedentary nature, plants have evolved diverse abilities for dealing with toxic compounds present in their environment. They, therefore, possess a variety of pollutant attenuation mechanisms that makes their use in wastewater treatment more feasible than physical and chemical processes. This chapter presents an overview of OMPs’ fate inside plants, following their uptake, and discusses the main factors influencing their uptake and translocation within plants. The various phases of the metabolic transformations of organic pollutants inside plants, which have the aim of modifying the xenobiotics in order to make them less toxic to the plants, are also described in this chapter. Finally, a brief account is given on the response of antioxidant defense systems of plants which are triggered by abiotic stress conditions that may result from long-term exposure of plants to OMPs.
ISBN: 9781138739185
Type: bookPart
Appears in Collections:MARE-UE - Publicações - Capítulos de Livros
CQE - Publicações - Capítulos de Livros
QUI - Publicações - Capítulos de Livros

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