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Mercury nano-trap for effective and efficient removal of mercury(II) from aqueous solution

Author

Listed:
  • Baiyan Li

    (University of South Florida)

  • Yiming Zhang

    (University of South Florida)

  • Dingxuan Ma

    (State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University)

  • Zhan Shi

    (State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University)

  • Shengqian Ma

    (University of South Florida)

Abstract

Highly effective and highly efficient decontamination of mercury from aqueous media remains a serious task for public health and ecosystem protection. Here we report that this task can be addressed by creating a mercury ‘nano-trap’ as illustrated by functionalizing a high surface area and robust porous organic polymer with a high density of strong mercury chelating groups. The resultant porous organic polymer-based mercury ‘nano-trap’ exhibits a record-high saturation mercury uptake capacity of over 1,000 mg g−1, and can effectively reduce the mercury(II) concentration from 10 p.p.m. to the extremely low level of smaller than 0.4 p.p.b. well below the acceptable limits in drinking water standards (2 p.p.b.), and can also efficiently remove >99.9% mercury(II) within a few minutes. Our work therefore presents a new benchmark for mercury adsorbent materials and provides a new perspective for removing mercury(II) and also other heavy metal ions from contaminated water for environmental remediation.

Suggested Citation

  • Baiyan Li & Yiming Zhang & Dingxuan Ma & Zhan Shi & Shengqian Ma, 2014. "Mercury nano-trap for effective and efficient removal of mercury(II) from aqueous solution," Nature Communications, Nature, vol. 5(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms6537
    DOI: 10.1038/ncomms6537
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    Cited by:

    1. Xiongli Liu & Changjia Zhu & Jun Yin & Jixin Li & Zhiyuan Zhang & Jinli Li & Feng Shui & Zifeng You & Zhan Shi & Baiyan Li & Xian-He Bu & Ayman Nafady & Shengqian Ma, 2022. "Installation of synergistic binding sites onto porous organic polymers for efficient removal of perfluorooctanoic acid," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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