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Identification of Natural Nearly or Nanoscale Particles in Bituminous Coal: An Important Form of Elements in Coal

Author

Listed:
  • Peng Zhang

    (School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255000, China)

  • Jing Lu

    (Shandong Polytechnic College, Jining 272067, China)

  • Lei Zuo

    (School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255000, China)

  • Yaqin Wang

    (School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255000, China)

  • Rui Liu

    (School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255000, China)

  • Dongping Tao

    (School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255000, China)

  • Zhaoying Chen

    (State Key Laboratory of Coal and Coalbed Methane Co-Production, Jincheng 048012, China)

  • Gang Tao

    (School of Environment and Resource, Southwest University of Science and Technology, Mianyang 621010, China)

  • Kun Wang

    (Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China)

Abstract

Nanoparticles are ubiquitous in nature and are also found in raw coal, which plays an irreplaceable role in the global economy. In this study, raw coal samples were obtained from Gaojiapu Coal Mine in Shanxi Province, China. The elementary composition of nanoparticles was determined using energy-dispersive X-ray spectroscopy. The structural and chemical characteristics of nanoparticles were analyzed using transmission electron microscopy. Results revealed that there were multiple types of nanoparticles in the raw coal, such as S-, Ca-, Ba-, Ni-, Cr-, Si-, Sr-, and V-bearing nanoparticles. These nanoparticles exhibited various sizes and complex, irregular shapes. Our findings revealed that elemental nanoparticles occur in raw coal. These nanoparticles include celestite and barite nanoparticles. In addition, nanoparticles with Ni, Cr, and V in composition are also included in raw coal. These nanoparticles, which contain heavy metal elements, have great potential to harm the human body. Meanwhile, compared with the characteristics of nanoparticles produced by coal combustion, the nanoparticles in raw coal may be an important potential source of the nanoparticles produced by coal combustion.

Suggested Citation

  • Peng Zhang & Jing Lu & Lei Zuo & Yaqin Wang & Rui Liu & Dongping Tao & Zhaoying Chen & Gang Tao & Kun Wang, 2023. "Identification of Natural Nearly or Nanoscale Particles in Bituminous Coal: An Important Form of Elements in Coal," Sustainability, MDPI, vol. 15(7), pages 1-16, April.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:7:p:6276-:d:1117108
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    References listed on IDEAS

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    1. Brent Wilson & Thomas Dewers & Ze'ev Reches & James Brune, 2005. "Particle size and energetics of gouge from earthquake rupture zones," Nature, Nature, vol. 434(7034), pages 749-752, April.
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    Cited by:

    1. Guoqiang Wang & Tianjian Yang & Mengmeng Zhao & Ting Li & Cai Zhang & Qinghua Chen & Xinyue Wen & Lirong Dang, 2023. "Natural Nitrogen-Bearing and Phosphorus-Bearing Nanoparticles in Surface Sediments of the Pearl River Estuary, China: Implications for Nitrogen and Phosphorus Cycling in Estuarine and Coastal Ecosyste," Sustainability, MDPI, vol. 15(19), pages 1-17, September.

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