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Rapid self-heating synthesis of Fe-based nanomaterial catalyst for advanced oxidation

Author

Listed:
  • Fengbo Yu

    (Fudan University)

  • Chao Jia

    (Fudan University)

  • Xuan Wu

    (Fudan University)

  • Liming Sun

    (Fudan University)

  • Zhijian Shi

    (Fudan University)

  • Tao Teng

    (Fudan University)

  • Litao Lin

    (Fudan University)

  • Zhelin He

    (Fudan University)

  • Jie Gao

    (Fudan University)

  • Shicheng Zhang

    (Fudan University
    Shanghai Institute of Pollution Control and Ecological Security)

  • Liang Wang

    (Jiangsu University of Science and Technology)

  • Shaobin Wang

    (The University of Adelaide)

  • Xiangdong Zhu

    (Fudan University
    Suzhou University of Science and Technology)

Abstract

Iron-based catalysts are promising candidates for advanced oxidation process-based wastewater remediation. However, the preparation of these materials often involves complex and energy intensive syntheses. Further, due to the inherent limitations of the preparation conditions, it is challenging to realise the full potential of the catalyst. Herein, we develop an iron-based nanomaterial catalyst via soft carbon assisted flash joule heating (FJH). FJH involves rapid temperature increase, electric shock, and cooling, the process simultaneously transforms a low-grade iron mineral (FeS) and soft carbon into an electron rich nano Fe0/FeS heterostructure embedded in thin-bedded graphene. The process is energy efficient and consumes 34 times less energy than conventional pyrolysis. Density functional theory calculations indicate that the electron delocalization of the FJH-derived heterostructure improves its binding ability with peroxydisulfate via bidentate binuclear model, thereby enhancing ·OH yield for organics mineralization. The Fe-based nanomaterial catalyst exhibits strong catalytic performance over a wide pH range. Similar catalysts can be prepared using other commonly available iron precursors. Finally, we also present a strategy for continuous and automated production of the iron-based nanomaterial catalysts.

Suggested Citation

  • Fengbo Yu & Chao Jia & Xuan Wu & Liming Sun & Zhijian Shi & Tao Teng & Litao Lin & Zhelin He & Jie Gao & Shicheng Zhang & Liang Wang & Shaobin Wang & Xiangdong Zhu, 2023. "Rapid self-heating synthesis of Fe-based nanomaterial catalyst for advanced oxidation," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
  • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-40691-2
    DOI: 10.1038/s41467-023-40691-2
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    Cited by:

    1. Zhan Zhao & Jianpeng Sun & Xiang Li & Shiyu Qin & Chunhu Li & Zisheng Zhang & Zizhen Li & Xiangchao Meng, 2024. "Engineering active and robust alloy-based electrocatalyst by rapid Joule-heating toward ampere-level hydrogen evolution," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
    2. Zelin Wu & Zhaokun Xiong & Bingkun Huang & Gang Yao & Sihui Zhan & Bo Lai, 2024. "Long-range interactions driving neighboring Fe–N4 sites in Fenton-like reactions for sustainable water decontamination," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    3. Yi Cheng & Bing Deng & Phelecia Scotland & Lucas Eddy & Arman Hassan & Bo Wang & Karla J. Silva & Bowen Li & Kevin M. Wyss & Mine G. Ucak-Astarlioglu & Jinhang Chen & Qiming Liu & Tengda Si & Shichen , 2024. "Electrothermal mineralization of per- and polyfluoroalkyl substances for soil remediation," Nature Communications, Nature, vol. 15(1), pages 1-14, December.

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