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Heavy Metal Ion Recovery
In article number 2105845, Guiyin Xu, Ju Li, and co‐workers prepare a highly porous and functionalized filter with a cyclic π‐conjugated backbone and electronic conductivity PAN‐S grafted on an industrially produced melamine foam. Selective affinity of Hg2+, Pb2+, Cu2+, and Cd2+ is achieved, and the chemically adsorbed metal ions can be electrochemically desorbed and reduced...
Mercury, lead, and cadmium are among the most toxic and carcinogenic heavy metal ions (HMIs), posing serious threats to the sustainability of aquatic ecosystems and public health. There is an urgent need to remove these ions from water by a cheap but green process. Traditional methods have insufficient removal efficiency and reusability. Structurally robust, large surface‐area adsorbents functionalized...
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