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A mesoporous cationic thorium-organic framework that rapidly traps anionic persistent organic pollutants

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  • Yuxiang Li

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Zaixing Yang

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Yanlong Wang

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Zhuanling Bai

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Tao Zheng

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Xing Dai

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Shengtang Liu

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Daxiang Gui

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Wei Liu

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Meng Chen

    (College of Environmental Science and Engineering, Tianjin Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Nankai University)

  • Lanhua Chen

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Juan Diwu

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Lingyan Zhu

    (College of Environmental Science and Engineering, Tianjin Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Nankai University)

  • Ruhong Zhou

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions
    Computational Biology Center, IBM Thomas J Watson Research Center
    Columbia University)

  • Zhifang Chai

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

  • Thomas E. Albrecht-Schmitt

    (Florida State University)

  • Shuao Wang

    (School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions)

Abstract

Many environmental pollutants inherently exist in their anionic forms and are therefore highly mobile in natural water systems. Cationic framework materials that can capture those pollutants are highly desirable but scarcely reported. Here we present a mesoporous cationic thorium-based MOF (SCU-8) containing channels with a large inner diameter of 2.2 nm and possessing a high surface area of 1360 m2 g−1. The anion-exchange properties of SCU-8 were explored with many anions including small oxo anions like ReO4 − and Cr2O7 2− as well as anionic organic dyes like methyl blue and the persistent organic pollutant, perfluorooctane sulfonate (PFOS). Both fast uptake kinetics and great sorption selectivity toward PFOS are observed. The underlying sorption mechanism was probed using quantum mechanical and molecular dynamics simulations. These computational results reveal that PFOS anions are immobilized in SCU-8 by driving forces including electrostatic interactions, hydrogen bonds, hydrophobic interactions, and van der Waals interactions at different adsorption stages.

Suggested Citation

  • Yuxiang Li & Zaixing Yang & Yanlong Wang & Zhuanling Bai & Tao Zheng & Xing Dai & Shengtang Liu & Daxiang Gui & Wei Liu & Meng Chen & Lanhua Chen & Juan Diwu & Lingyan Zhu & Ruhong Zhou & Zhifang Chai, 2017. "A mesoporous cationic thorium-organic framework that rapidly traps anionic persistent organic pollutants," Nature Communications, Nature, vol. 8(1), pages 1-11, December.
  • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-01208-w
    DOI: 10.1038/s41467-017-01208-w
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    Cited by:

    1. Chen, Ao & Cheng, Min & Huang, Danlian & Zhang, Gaoxia & Wang, Wenjun & Du, Li & Wang, Guangfu & Liu, Hongda & Chen, Yongxi & Xiao, Wenjun & Shi, Qingkai, 2024. "Versatile metal-free carbon materials from ZIF-8: Insights into construction strategies, properties, applications and structure-activity relationships," Renewable and Sustainable Energy Reviews, Elsevier, vol. 199(C).

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