SHORT COMMUNICATION
Co-Combustion of Coal and Biomass –
Chemical Properties of Ash
Kazimierz Trybalski, Waldemar Kępys, Aldona Krawczykowska,
Damian Krawczykowski, Dominika Szponder
AGH University of Science and Technology, Faculty of Mining and Geoengineering,
A. Mickiewicza 30, 30-059 Kraków, Poland
A. Mickiewicza 30, 30-059 Kraków, Poland
Pol. J. Environ. Stud. 2014;23(4):1427–1431
KEYWORDS
ABSTRACT
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.
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