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Characteristics of Clay Raw Materials from the Turów Lignite Mine Waste, Poland: Potential for Industrial Applications

Author

Listed:
  • Jan Kudełko

    (Department of Mining, Faculty of Geoengineering, Mining and Geology, Wrocław University of Science and Technology, ul. Na Grobli 15, 50-421 Wrocław, Poland)

  • Herbert Wirth

    (Department of Mining, Faculty of Geoengineering, Mining and Geology, Wrocław University of Science and Technology, ul. Na Grobli 15, 50-421 Wrocław, Poland)

  • Wojciech Kaczan

    (Department of Mining, Faculty of Geoengineering, Mining and Geology, Wrocław University of Science and Technology, ul. Na Grobli 15, 50-421 Wrocław, Poland)

  • Lesław Bagiński

    (Department of Mining, Faculty of Geoengineering, Mining and Geology, Wrocław University of Science and Technology, ul. Na Grobli 15, 50-421 Wrocław, Poland)

Abstract

Considering the diversity of clay raw materials, we can distinguish their numerous varieties using genesis and retention conditions, as well as specific physical, chemical, and thermal properties as criteria of division. Three samples of fine-grained clay materials, collected randomly from the Turów lignite mine tailing piles, were subjected to testing for their grain and chemical composition and specific surface area. The results show that the tested materials are non-porous adsorbents. Additionally, a thermal analysis was carried out with a simultaneous quadrupole mass spectrometry (QMS). In the tested samples, the weight loss associated with the release of water from the clay was observed in two temperature ranges: from 40 to 240 °C (physically bound water) and from 330 to 620 °C (structured water). The weight loss associated with the decomposition of organic matter was registered in the temperature range of 300 to 560 °C. The results of the conducted tests might provide the basis for further analysis of the potential use of these materials as heat stores, components of insulators, or additives of ceramic products.

Suggested Citation

  • Jan Kudełko & Herbert Wirth & Wojciech Kaczan & Lesław Bagiński, 2021. "Characteristics of Clay Raw Materials from the Turów Lignite Mine Waste, Poland: Potential for Industrial Applications," Sustainability, MDPI, vol. 13(12), pages 1-11, June.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:12:p:6513-:d:570668
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