Agroindustrial wastewater: recent advances and perspectives on the use of constructed wetlands
2025
The treatment of wastewater generated by agro-industrial activities, such as dairy production and animal slaughter, represents a significant environmental challenge due to the complexity of pollutants. This study aimed to conduct a systematic literature review on recent advances in the application of constructed wetlands for the treatment of wastewater from agro-industrial activities. The bibliographic survey was carried out using the Scopus database, where the following keywords were used: ‘Cattle wastewater’, ‘Fertigation’, and ‘Constructed Wetlands’, covering the period from 2014 to 2024. After applying filters and inclusion/exclusion criteria, the search resulted in 82 articles. The distribution of publications over the analyzed period was examined, and a keyword co-occurrence map was created using the VOSviewer software. The results indicate that the use of constructed wetlands combined with techniques such as photobioreactors and anaerobic digestion demonstrates high efficiency in pollutant removal while enabling resource recovery, such as biogas and nutrients. The analysis of the co-occurrence map revealed interconnected themes, suggesting a convergence of studies around hybrid solutions for wastewater treatment in dairy production, livestock farming, and slaughterhouses. Finally, the study highlights the main challenges related to the removal of emerging contaminants and the spread of antimicrobial resistance, emphasizing the need for rigorous monitoring and the implementation of effective public policies to ensure environmental safety and the sustainable use of water resources.
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Эту запись предоставил Estonian University of Life Sciences