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Micro-Raman Spectroscopy of Selected Macerals of the Huminite Group: An Example from the Szczerców Lignite Deposit (Central Poland)

Author

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  • Barbara Bielowicz

    (Faculty of Geology, Geophysics and Environment Protection, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland)

  • Rafał Morga

    (Institute of Applied Geology, Silesian University of Technology, Akademicka 2, 44-100 Gliwice, Poland)

Abstract

Lignite (ulminite reflectance Rr = 0.27%) from the Szczerców deposit (Central Poland) is dominated by huminite group macerals, containing a high proportion of attrinite and densinite. Densinite and ulminite are more abundant in small aromatic units than attrinite, which may result from their stronger gelification. The differences in Raman spectral characteristics between attrinite and ulminite are more pronounced than between attrinite and densinite. Fusinite, in comparison with the huminite group macerals, is composed of larger, more varied aromatic systems. The D4 (1190–1200 cm −1 ) and D5 bands (1280–1290 cm −1 ), most likely, correspond to different chemical structures, and their origin should be further investigated.

Suggested Citation

  • Barbara Bielowicz & Rafał Morga, 2021. "Micro-Raman Spectroscopy of Selected Macerals of the Huminite Group: An Example from the Szczerców Lignite Deposit (Central Poland)," Energies, MDPI, vol. 14(2), pages 1-18, January.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:2:p:281-:d:475936
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    References listed on IDEAS

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    1. Xu, Jun & Tang, Hao & Su, Sheng & Liu, Jiawei & Xu, Kai & Qian, Kun & Wang, Yi & Zhou, Yingbiao & Hu, Song & Zhang, Anchao & Xiang, Jun, 2018. "A study of the relationships between coal structures and combustion characteristics: The insights from micro-Raman spectroscopy based on 32 kinds of Chinese coals," Applied Energy, Elsevier, vol. 212(C), pages 46-56.
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    Cited by:

    1. Rafał Morga & Barbara Bielowicz, 2022. "Raman Spectroscopy of Lignite Gasification Char Morphotypes," Energies, MDPI, vol. 15(16), pages 1-16, August.
    2. Marcin Maksymowicz & Aleksander Frejowski & Adam Bajcar & Bartłomiej Jura, 2022. "Application of Hydro Borehole Mining (HBM) Technology for Lignite Extraction—An Environmental Assessment (LCA) and a Comparative Study with the Opencast Method," Energies, MDPI, vol. 15(13), pages 1-20, July.

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