Electrolytic Treatment of Swine Wastewater: Recent Progress and Challenges

Electrochemical methods have received an intensive interest in the treatment of many types of wastewaters. In comparison to biological processes, electrochemistry-based approaches such as electrocoagulation and electrooxidation bring about higher efficiencies and shorter reaction times, which render...

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Bibliographic Details
Published in:Waste and biomass valorization 2021-02, Vol.12 (2), p.553-576
Main Authors: Lourinho, G., Brito, P. S. D.
Format: Article
Language:English
Subjects:
Animal wastes
Anode effect
Biological activity
Electrocatalysts
Electrochemistry
Electrocoagulation
Electrode materials
Electrolysis
Engineering
Environment
Environmental Engineering/Biotechnology
Hydrogen production
Industrial Pollution Prevention
Pollution load
Reactor design
Renewable and Green Energy
Review
Swine
Swine production
Waste Management/Waste Technology
Wastewater treatment
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Summary:Electrochemical methods have received an intensive interest in the treatment of many types of wastewaters. In comparison to biological processes, electrochemistry-based approaches such as electrocoagulation and electrooxidation bring about higher efficiencies and shorter reaction times, which render them as promising for future environmental applications. This review is focused on the electrolytic treatment of wastewaters derived from swine production which contain high polluting loads. Recent achievements and fundamental principles of the main electrochemical technologies are presented. Different kinds of electrode materials are summarized, especially anode materials. The effect of important operating parameters is discussed in the context of swine wastewater remediation, such as current density, electrolysis time, pH value, and others. Finally, several leading issues and challenges which could determine the practical adoption of these methods, namely combined processes, hydrogen production and utilization, electrocatalysts, reactor design, and in situ/operando characterization techniques are briefly discussed providing an outlook of novel developments and future research. Graphic Abstract
ISSN:1877-2641
1877-265X
DOI:10.1007/s12649-020-00951-4