Catalytic resource recovery for transformation of the wastewater industry
Date
2025
Authors
Ren, W.
Zhang, Q.
Chen, J.
Xiao, X.
Duan, X.
Luo, X.
Wang, S.
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Journal article
Citation
nature water, 2025; 3(11):1228-1242
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Wei Ren, Qiming Zhang, Junwen Chen, Xiao Xiao, Xiaoguang Duan, Xubiao Luo, Shaobin Wang
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Abstract
Industrial wastewater contains diverse organic and inorganic contaminants, posing substantial challenges in conventional water treatment processes. However, these pollutants can be reclaimed as valuable resources for a circular economy. Catalytic reactions offer a promising solution for the selective conversion of the pollutants into value-added products. Here we summarize the catalytic resource recovery technologies (CRRTs) and suggest a systematic strategy to achieve contaminant transformation and the smart management of industrial wastewater. Specifically, we propose a new pollutant classification for CRRTs by catalytically direct, indirect and non-catalytic recovery pathways, and critically evaluate catalyst and reactor design for upscaled systems. We then make a comprehensive assessment of CRRT benefits in terms of technical effectiveness, economic feasibility and environmental sustainability. Finally, we envisage a transformative future in wastewater resource reutilization. Overall, CRRTs have demonstrated strong potential in transitioning wastewater treatment from a purely remedial approach to a closed-loop and resource-oriented strategy.
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© Springer Nature Limited 2025.