Consolidated vs new advanced treatment methods for the removal of contaminants of emerging concern from urban wastewater

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Abstract

Urban wastewater treatment plants (WWTPs) are among the main anthropogenic sources for the release of contaminants of emerging concern (CECs) into the environment, which can result in toxic and adverse effects on aquatic organisms and consequently on humans. Unfortunately, WWTPs are not designed to remove CECs and secondary (e.g., conventional activated sludge process, CAS) and tertiary (such as filtration and disinfection) treatments are not effective in the removal of most CECs entering WWTP. Accordingly, several advanced treatment methods have been investigated for the removal of CECs from wastewater, including consolidated (namely, activated carbon (AC) adsorption, ozonation and membranes) and new (such as advanced oxidation processes (AOPs)) processes/technologies. This review paper gathers the efforts of a group of international experts, members of the NEREUS COST Action ES1403 who for three years have been constructively discussing the state of the art and the best available technologies for the advanced treatment of urban wastewater. In particular, this work critically reviews the papers available in scientific literature on consolidated (ozonation, AC and membranes) and new advanced treatment methods (mainly AOPs) to analyse: (i) their efficiency in the removal of CECs from wastewater, (ii) advantages and drawbacks, (iii) possible obstacles to the application of AOPs, (iv) technological limitations and mid to long-term perspectives for the application of heterogeneous processes, and (v) a technical and economic comparison among the different processes/technologies. ? 2018 Elsevier B.V.

Autore Pugliese

Tutti gli autori

  • Rizzo L. ; Malato S. ; Antakyali D. ; Beretsou V.G. ; Dolic M.B. ; Gernjak W. ; Heath E. ; Ivancev-Tumbas I. ; Karaolia P. ; Lado Ribeiro A.R. ; Mascolo G. ; McArdell C.S. ; Schaar H. ; Silva A.M.T. ; Fatta-Kassinos D.

Titolo volume/Rivista

Science of the total environment

Anno di pubblicazione

2019

ISSN

0048-9697

ISBN

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Numero di citazioni Wos

Nessuna citazione

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