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Efficient removal and upcycling of pollutants in wastewater: a strategy for reconciling environmental pollution and resource depletion crisis |
Lei Bi1,2, Qiong Wang1,2, Jingzhang Liu1,2, Fuxiang Cui1,2, Maoyong Song1,2( ) |
1. Key Laboratory of Environmental Nanotechnology and Health Effects, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
2. University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract Due to the relentless exploitation of non-renewable resources, humanity is faced with a resource depletion crisis in the coming decades and serious environmental issues. Achieving efficient removal and upcycling of pollutants (ERUP) may become a potential strategy to address these issues. Wastewater, characterized by its large production volume and fluidity, can easily cause widespread environmental pollution through natural water networks. Due to solubility constraints, pollutants in wastewater typically exhibit low concentrations and complex compositions, thereby impeding effective recovery. Therefore, achieving ERUP in wastewater is both highly significant and extremely challenging. Unlike conventional wastewater treatment strategies that are focused on removing pollutants, ERUP strategies can not only realize the efficient removal of pollutants from water but also convert pollutants into valuable and functional products. Herein, we enumerated the latest research progress on ERUP in wastewater and highlighted studies that demonstrate the simultaneous achievement of pollutant removal and the direct conversion of these contaminants into high-efficiency catalysts, hydrogen energy, electrical energy, and other high-value chemicals. Finally, we identified the problems and challenges in the development of ERUP in wastewater and outlined potential research directions for future studies.
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| Keywords
environmental pollution
resource depletion
upcycling
wastewater
pollutants
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Corresponding Author(s):
Maoyong Song
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| About author: #These authors contributed equally to this work. |
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Just Accepted Date: 13 June 2024
Issue Date: 09 August 2024
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