Abstract
Freshwater scarcity, a problem that has arisen particularly as a result of the progressive environmental damage caused by human consumption patterns, is strongly associated with a loss of living quality and a drop in global socioeconomic development. Wastewater treatment is one of the measures being taken to mitigate the current situation. However, the majority of existing treatments employ chemicals that have harmful environmental consequences and low effectiveness and are prohibitively expensive in most countries. Therefore, to increase water supplies, more advanced and cost-effective water treatment technologies are required to be developed for desalination and water reuse purposes. Green technologies have been highlighted as a long-term strategy for conserving natural resources, reducing negative environmental repercussions, and boosting social and economic growth. Thus, a bibliometric technique was applied in this study to identifying prominent green technologies utilised in water and wastewater treatment by analysing scientific publications considering authors, keywords, and countries. To do this, the VOSviewer software and Bibliometrix R Package software were employed. The results of this study revealed that constructed wetlands and photocatalysis are two technologies that have been considered as green technologies applicable to the improvement of water and wastewater treatment processes in most scientific articles.
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Naghmeh Niknejad: writing – original draft. Behzad Nazari: methodology, writing – reviewing and editing. Saman Foroutani: conceptualization. Ab Razak bin Che Hussin: supervision.
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Niknejad, N., Nazari, B., Foroutani, S. et al. A bibliometric analysis of green technologies applied to water and wastewater treatment. Environ Sci Pollut Res 30, 71849–71863 (2023). https://doi.org/10.1007/s11356-022-18705-1
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DOI: https://doi.org/10.1007/s11356-022-18705-1