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Special Issue "Application of Electrochemistry in Wastewater Treatment"

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".

Deadline for manuscript submissions: 15 January 2022.

Special Issue Editor

Dr. Zacharias Frontistis
E-Mail Website
Guest Editor
Department of Chemical Engineering, University of Western Macedonia, 50100 Kozani, Greece
Interests: water and wastewater treatment; Advanced Oxidation Processes (AOPs); physicochemical processes; photocatalysis; ozonation; photo fenton; sonochemistry; wet air oxidation; UV-C/H2O2; activated persulfate; electrochemical oxidation; pharmaceuticals; xenobiotics; endocrine disruptors; disinfection; environmental modelling; factorial design; artificial neural network
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,

Physicochemical processes have always played a vital role in wastewater treatment, as they can treat non-biodegradable effluents. Electrochemistry has always stood out, as it has many advantages such as high efficiency, easy scaling, combination, and synergy with other technologies such as fenton reaction, photocatalysis, coagulation and even biological reactors. Additionally, if combined with renewable energy sources, it can provide a unified green solution. In recent years, the development of new electrocatalytic materials has led to a significant increase in the environmental applications of electrochemistry. Under this perspective, this Special Issue of Water welcomes the application of environmental electrochemistry, including:

- Electrochemical treatment of agro-industrial wastewater;

- Environmental electrochemistry for the removal of persistent pollutants and pathogens;

- Design and scale-up of electrochemical reactors;

- New electrocatalytic material for wastewater treatment;

- Combination of electrochemistry with other processes (electrocoagulation, electro fenton, photoelectrocatalysis) and investigation of synergy;

- Electrochemical activation fo persulfate and electrogeneration of hydrogen peroxide;

- Microbial fuel cells;

- Modeling of environmental electrochemistry.

Dr. Zacharias Frontistis
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Electrochemical oxidation
  • Electrofenton
  • DSA
  • Boron-doped diamond
  • Electrocoagulation
  • Pharmaceuticals
  • Agroindustrial effluents

Published Papers (2 papers)

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Review

Review
Use of Electrocoagulation for Treatment of Pharmaceutical Compounds in Water/Wastewater: A Review Exploring Opportunities and Challenges
Water 2021, 13(15), 2105; https://0-doi-org.brum.beds.ac.uk/10.3390/w13152105 - 31 Jul 2021
Viewed by 570
Abstract
Increasing dependency on pharmaceutical compounds including antibiotics, analgesics, antidepressants, and other drugs has threatened the environment as well as human health. Their occurrence, transformation, and fate in the environment are causing significant concerns. Several existing treatment technologies are there with their pros and [...] Read more.
Increasing dependency on pharmaceutical compounds including antibiotics, analgesics, antidepressants, and other drugs has threatened the environment as well as human health. Their occurrence, transformation, and fate in the environment are causing significant concerns. Several existing treatment technologies are there with their pros and cons for the treatment of pharmaceutical wastewater (PWW). Still, electrocoagulation is considered as the modern and decisive technology for treatment. In the EC process, utilizing electricity (AC/DC) and electrodes, contaminants become coagulated with the metal hydroxide and are separated by co-precipitation. The main mechanism is charge neutralization and adsorption of contaminants on the generated flocs. The range of parameters affects the EC process and is directly related to the removal efficiency and its overall operational cost. This process only could be scaled up on the industrial level if process parameters become optimized and energy consumption is reduced. Unfortunately, the removal mechanism of particular pharmaceuticals and complex physiochemical phenomena involved in this process are not fully understood. For this reason, further research and reviews are required to fill the knowledge gap. This review discusses the use of EC for removing pharmaceuticals and focuses on removal mechanism and process parameters, the cost assessment, and the challenges involved in mitigation. Full article
(This article belongs to the Special Issue Application of Electrochemistry in Wastewater Treatment)
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Review
Electrocoagulation as a Promising Defluoridation Technology from Water: A Review of State of the Art of Removal Mechanisms and Performance Trends
Water 2021, 13(5), 656; https://0-doi-org.brum.beds.ac.uk/10.3390/w13050656 - 28 Feb 2021
Cited by 6 | Viewed by 996
Abstract
Fluoride ions present in drinking water are beneficial to human health when at proper concentration levels (0.5–1.5 mg L−1), but an excess intake of fluoride (>1.5 mg L−1) may pose several health problems. In this context, reducing high fluoride [...] Read more.
Fluoride ions present in drinking water are beneficial to human health when at proper concentration levels (0.5–1.5 mg L−1), but an excess intake of fluoride (>1.5 mg L−1) may pose several health problems. In this context, reducing high fluoride concentrations in water is a major worldwide challenge. The World Health Organization has recommended setting a permissible limit of 1.5 mg L−1. The application of electrocoagulation (EC) processes has received widespread and increasing attention as a promising treatment technology and a competitive treatment for fluoride control. EC technology has been favourably applied due to its economic effectiveness, environmental versatility, amenability of automation, and low sludge production. This review provides more detailed information on fluoride removal from water by the EC process, including operating parameters, removal mechanisms, energy consumption, and operating costs. Additionally, it also focuses attention on future trends related to improve defluoridation efficiency. Full article
(This article belongs to the Special Issue Application of Electrochemistry in Wastewater Treatment)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

1. Title: A review on Electrocoagulation techniques for treatment of pharmaceutical compounds in water/wastewater
Authors: Zacharias Frontistis, et.al
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