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2021 | OriginalPaper | Buchkapitel

2. Electrochemical Treatments for the Removal of Emerging Contaminants

verfasst von : Borislav N. Malinović, Jernej Markelj, Helena Prosen, Andreja Žgajnar Gotvajn, Irena Kralj Cigić

Erschienen in: Emerging Contaminants Vol. 2

Verlag: Springer International Publishing

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Abstract

Emerging contaminants are a diverse group of predominantly anthropogenic pollutants which are present in the environment in the concentrations that can cause known or suspected adverse environmental and health effects. The common denominator of these diverse groups of contaminants is the fact that there is a lack of legislative regulation, as well as lack of monitoring programs or risk assessment studies. For these reasons, their removal from the sources of pollution and from the environment is of key importance. Among possible approaches for the remediation of wastewater as the main source of pollution, electrochemical treatments have recently gained increasing attention as promising, feasible, and environmentally friendly removal techniques.
In this chapter, we have reviewed and critically presented the applications of electrochemical treatments for the removal of selected groups of emerging contaminants from wastewater and similar samples. These contaminants are: bisphenol A, phthalic acid esters, and benzotriazoles, chosen because they are linked to intensive production of plastics, as well as on the basis of a relative lack of review papers. First, we present and compare various available electrochemical treatment approaches, their combinations, and the most frequently applied electrodes. In the main part, the available studies for the chosen contaminants from the last 5 years are reviewed with the emphasis on the effectiveness of the treatment; identification of the transformation products; and elucidation of the degradation mechanisms. We identify the main problems of the reviewed electrochemical treatments: the lack of identification of the transformation products, as well as the general lack of toxicity assessment of the treated samples. Although electrochemical treatments are viable and effective processes for the removal of selected emerging contaminants from wastewater as shown by the high degree of mineralization in several reviewed papers, further studies need to be done with the emphasis on the identified shortcomings.

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Metadaten
Titel
Electrochemical Treatments for the Removal of Emerging Contaminants
verfasst von
Borislav N. Malinović
Jernej Markelj
Helena Prosen
Andreja Žgajnar Gotvajn
Irena Kralj Cigić
Copyright-Jahr
2021
DOI
https://doi.org/10.1007/978-3-030-69090-8_2