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<p>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.</p>

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Catalytic resource recovery for transformation of the wastewater industry

  • 期刊论文

  • 发表日期：

    2025年11月3日

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  • Wei Ren,
  • Qiming Zhang,
  • Junwen Chen,
  • Xiao Xiao,
  • Xiaoguang Duan,
  • Xubiao Luo,
  • Shaobin Wang

摘要

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.