Co-Combustion of Coal and Biomass – Chemical Properties of Ash
Kazimierz Trybalski, Waldemar Kępys, Aldona Krawczykowska, Damian Krawczykowski, Dominika Szponder
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AGH University of Science and Technology, Faculty of Mining and Geoengineering,
A. Mickiewicza 30, 30-059 Kraków, Poland
Pol. J. Environ. Stud. 2014;23(4):1427–1431
This article describes the chemical properties of the resulting ash from co-combustion of hard coal with biomass. Biomass consisted of sunflower husks, bran grains, and forest biomass. To test the fly ash we sampled from different types of boilers: pulverized, fluidized, and in the case of pulverized boilers ash samples with and without desulfurization products were tested. The results were compared with the properties of ash without co-combustion, which were obtained in the same type of boilers. Chemical and mineralogical compositions were determined and thermal analysis was carried out as well. Studies showed no effect of co-combustion biomass with coal on the tested properties of obtained ash.