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Research on reclaimed water from the past to the future: a review

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Abstract

Reclaimed water is an important alternative water supply because it solves the water shortage problem. This manuscript is intended to provide a critical review of recent publications that address future reclaimed water requirements and analyze and visualize historical trends, research hot topics and promising future research directions. The results show that treatment technologies and optimized system designs for reclaimed water were early topics of interest. However, in the current era, "climate change," "sustainability," "technology," "impact" and other keywords appear frequently as the hot topics. Specifically, emerging research topics include (1) the influence of climate change on water quality and water supply system optimization under uncertainty, (2) improving public acceptance and strengthening water management and policy implementation, (3) developing and applying cost-effective treatment technologies for the removal of trace pollutants and (4) more comprehensive health risk assessment and online detection technology. This analysis accurately reflects historical trends in the field and will help researchers choose future research topics.

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Acknowledgements

This work was supported by the National Science Foundation of China [Grant No.51409189]; Training Program for Innovative Research Team in Tianjin Institutions of Higher Education [TD13-5021]; and Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology. The authors also thank the reviewers for their detailed comments.

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Correspondence to Xia Li.

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Li, X., Li, X. & Li, Y. Research on reclaimed water from the past to the future: a review. Environ Dev Sustain 24, 112–137 (2022). https://doi.org/10.1007/s10668-021-01495-w

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  • DOI: https://doi.org/10.1007/s10668-021-01495-w

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