盐度
污染物
废水
能源消耗
环境科学
污染
环境修复
化学
地表水
饮用水净化
化学工程
环境工程
环境化学
污染
地质学
生态学
有机化学
工程类
海洋学
生物
作者
Wenrui Cao,Lai Lyu,Peng Zhang,Ting Qiu,Shuguang Wang,Gordon Huang,Lai Lyu
标识
DOI:10.1073/pnas.2311920120
摘要
High salinity has plagued wastewater treatment for a long time by hindering pollutant removal, thereby becoming a global challenge for water pollution control that is difficult to overcome even with massive energy consumption. Herein, we propose a novel process for rapid salinity-mediated water self-purification in a dual-reaction-centers (DRC) system with cation-π structures. In this process, local hydrogen bond networks of H2O molecules can be distorted through the mediation of salinity, thereby opening the channels for the preferential contact of pollutants on the DRC interface. As the result, the elimination rate of pollutants increased approximately 32-fold at high salinity (100 mM) without any external energy consumption. Our findings provide a novel technology for high-efficiency and low-consumption water self-purification, which is of great significance in environmental remediation and even fine chemical industry.
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