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Capture of organic iodides from nuclear waste by metal-organic framework-based molecular traps

Author

Listed:
  • Baiyan Li

    (Rutgers University)

  • Xinglong Dong

    (King Abdullah University of Science and Technology)

  • Hao Wang

    (Rutgers University)

  • Dingxuan Ma

    (Jilin University)

  • Kui Tan

    (University of Texas at Dallas)

  • Stephanie Jensen

    (Wake Forest University)

  • Benjamin J. Deibert

    (Rutgers University)

  • Joseph Butler

    (University of Texas at Dallas)

  • Jeremy Cure

    (University of Texas at Dallas)

  • Zhan Shi

    (Jilin University)

  • Timo Thonhauser

    (Wake Forest University
    Massachusetts Institute of Technology)

  • Yves J. Chabal

    (University of Texas at Dallas)

  • Yu Han

    (King Abdullah University of Science and Technology)

  • Jing Li

    (Rutgers University)

Abstract

Effective capture of radioactive organic iodides from nuclear waste remains a significant challenge due to the drawbacks of current adsorbents such as low uptake capacity, high cost, and non-recyclability. We report here a general approach to overcome this challenge by creating radioactive organic iodide molecular traps through functionalization of metal-organic framework materials with tertiary amine-binding sites. The molecular trap exhibits a high CH3I saturation uptake capacity of 71 wt% at 150 °C, which is more than 340% higher than the industrial adsorbent Ag0@MOR under identical conditions. These functionalized metal-organic frameworks also serve as good adsorbents at low temperatures. Furthermore, the resulting adsorbent can be recycled multiple times without loss of capacity, making recyclability a reality. In combination with its chemical and thermal stability, high capture efficiency and low cost, the adsorbent demonstrates promise for industrial radioactive organic iodides capture from nuclear waste. The capture mechanism was investigated by experimental and theoretical methods.

Suggested Citation

  • Baiyan Li & Xinglong Dong & Hao Wang & Dingxuan Ma & Kui Tan & Stephanie Jensen & Benjamin J. Deibert & Joseph Butler & Jeremy Cure & Zhan Shi & Timo Thonhauser & Yves J. Chabal & Yu Han & Jing Li, 2017. "Capture of organic iodides from nuclear waste by metal-organic framework-based molecular traps," Nature Communications, Nature, vol. 8(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-00526-3
    DOI: 10.1038/s41467-017-00526-3
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    Cited by:

    1. Yinghui Xie & Qiuyu Rong & Fengyi Mao & Shiyu Wang & You Wu & Xiaolu Liu & Mengjie Hao & Zhongshan Chen & Hui Yang & Geoffrey I. N. Waterhouse & Shengqian Ma & Xiangke Wang, 2024. "Engineering the pore environment of antiparallel stacked covalent organic frameworks for capture of iodine pollutants," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    2. Sahel Fajal & Writakshi Mandal & Arun Torris & Dipanjan Majumder & Sumanta Let & Arunabha Sen & Fayis Kanheerampockil & Mandar M. Shirolkar & Sujit K. Ghosh, 2024. "Ultralight crystalline hybrid composite material for highly efficient sequestration of radioiodine," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
    3. Tingting Pan & Kaijie Yang & Xinglong Dong & Shouwei Zuo & Cailing Chen & Guanxing Li & Abdul-Hamid Emwas & Huabin Zhang & Yu Han, 2024. "Strategies for high-temperature methyl iodide capture in azolate-based metal-organic frameworks," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    4. Li, Yang & Xu, Sheng-Zhi, 2022. "Thermodynamic analysis of subcritical/transcritical ORCs with metal–organic heat carriers for efficient power generation from low-grade thermal energy," Energy, Elsevier, vol. 255(C).

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