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Calorimetry in testing waste materials from the brown coal combustion

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Abstract

The calorimetric measurements were applied in testing the wastes collected from different furnaces in electric power plants as materials to be used in civil engineering. The fly ash materials were collected from two power stations based on different brown coal deposits and working with conventional and fluidized bed installation. The reactivity of high calcium fly ash from sub-bituminous coal combustion has been proved in calorimetric, conductometric, chemical shrinkage, and rheological measurements before their practical implementation on larger scale. Highly soluble components of fly ash contribute to the hydration products and structure formation, followed by setting and hardening of fly ash–cement mixture. These results have been the base of research project aimed in the innovative solutions dealing with the management of deposits of wastes generated as a result of coal combustion. The standardization and potential use on larger scale of these materials, necessary from the environmental point of view, seems to be the question of nearest future.

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Acknowledgements

The financial support from the “Innovative technology of some selected combustion wastes utilization - INITECH” research project (Grant No. OSF 65832) is acknowledged.

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Authors and Affiliations

  1. Faculty of Material Science and Ceramics, University of Science and Technology AGH, Al. Mickiewicza 30, 30-059, Kraków, Poland

    Wiesława Nocuń-Wczelik, Artur Łagosz, Bartosz Kowalski & Marek Gawlicki

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  1. Wiesława Nocuń-Wczelik
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  2. Artur Łagosz
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  3. Bartosz Kowalski
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  4. Marek Gawlicki
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Correspondence to Wiesława Nocuń-Wczelik.

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Nocuń-Wczelik, W., Łagosz, A., Kowalski, B. et al. Calorimetry in testing waste materials from the brown coal combustion. J Therm Anal Calorim 118, 123–131 (2014). https://doi.org/10.1007/s10973-014-3963-4

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  • DOI: https://doi.org/10.1007/s10973-014-3963-4

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