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Biomimetic mercury immobilization by selenium functionalized polyphenylene sulfide fabric

Author

Listed:
  • Hailong Li

    (Central South University)

  • Fanyue Meng

    (Central South University)

  • Penglin Zhu

    (Central South University)

  • Hongxiao Zu

    (Central South University)

  • Zequn Yang

    (Central South University)

  • Wenqi Qu

    (Central South University)

  • Jianping Yang

    (Central South University)

Abstract

Highly efficient decontamination of elemental mercury (Hg0) remains an enormous challenge for public health and ecosystem protection. The artificial conversion of Hg0 into mercury chalcogenides could achieve Hg0 detoxification and close the global mercury cycle. Herein, taking inspiration from the bio-detoxification of mercury, in which selenium preferentially converts mercury from sulfoproteins to HgSe, we propose a biomimetic approach to enhance the conversion of Hg0 into mercury chalcogenides. In this proof-of-concept design, we use sulfur-rich polyphenylene sulfide (PPS) as the Hg0 transporter. The relatively stable, sulfur-linked aromatic rings result in weak adsorption of Hg0 on the PPS rather than the formation of metastable HgS. The weakly adsorbed mercury subsequently migrates to the adjacent selenium sites for permanent immobilization. The sulfur-selenium pair affords an unprecedented Hg0 adsorption capacity and uptake rate of 1621.9 mg g−1 and 1005.6 μg g−1 min−1, respectively, which are the highest recorded values among various benchmark materials. This work presents an intriguing concept for preparing Hg0 adsorbents and could pave the way for the biomimetic remediation of diverse pollutants.

Suggested Citation

  • Hailong Li & Fanyue Meng & Penglin Zhu & Hongxiao Zu & Zequn Yang & Wenqi Qu & Jianping Yang, 2024. "Biomimetic mercury immobilization by selenium functionalized polyphenylene sulfide fabric," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
  • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-45486-7
    DOI: 10.1038/s41467-024-45486-7
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    References listed on IDEAS

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    1. Yanxu Zhang & Zhengcheng Song & Shaojian Huang & Peng Zhang & Yiming Peng & Peipei Wu & Jing Gu & Stephanie Dutkiewicz & Huanxin Zhang & Shiliang Wu & Feiyue Wang & Long Chen & Shuxiao Wang & Ping Li, 2021. "Global health effects of future atmospheric mercury emissions," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    2. Hailong Li & Jiaoqin Zheng & Wei Zheng & Hongxiao Zu & Hongmei Chen & Jianping Yang & Wenqi Qu & Lijian Leng & Yong Feng & Zequn Yang, 2023. "In situ acid etching boosts mercury accommodation capacities of transition metal sulfides," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    3. Eduardo Di Mauro & Denis Rho & Clara Santato, 2021. "Biodegradation of bio-sourced and synthetic organic electronic materials towards green organic electronics," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    4. Long Chen & Sai Liang & Maodian Liu & Yujun Yi & Zhifu Mi & Yanxu Zhang & Yumeng Li & Jianchuan Qi & Jing Meng & Xi Tang & Haoran Zhang & Yindong Tong & Wei Zhang & Xuejun Wang & Jiong Shu & Zhifeng Y, 2019. "Trans-provincial health impacts of atmospheric mercury emissions in China," Nature Communications, Nature, vol. 10(1), pages 1-12, December.
    5. Beatriz Ferreira Araujo & Stefan Osterwalder & Natalie Szponar & Domenica Lee & Mariia V. Petrova & Jakob Boyd Pernov & Shaddy Ahmed & Lars-Eric Heimbürger-Boavida & Laure Laffont & Roman Teisserenc &, 2022. "Mercury isotope evidence for Arctic summertime re-emission of mercury from the cryosphere," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
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