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Faculty of Engineering and Natural Sciences, University of Zenica , Zenica , Bosnia and Herzegovina
Faculty of Engineering and Natural Sciences, University of Zenica , Zenica , Bosnia and Herzegovina
Faculty of Engineering and Natural Sciences, University of Zenica , Zenica , Bosnia and Herzegovina
Faculty of Engineering and Natural Sciences, University of Zenica , Zenica , Bosnia and Herzegovina
Coal is the most important and widespread fuel sedimentary rock of organic origin. It is one of
the main energy sources today and an industrial raw material for various products. Together with
the oil and other natural bitumens, it belongs to the group of fossil fuels or caustobiolite.
Combustion represents one of the fundamental energy transformations by which the primary
forms of energy, which are carriers of chemical energy, are transformed into thermal energy. In
order to carry out the energy calculation of any process in which the conversion of fuel that is the
carrier of chemical energy occurs, it is necessary to know the heating value of that fuel. The
heating value of a fuel is directly related to or proportional to its efficiency. The basis for
economic (price), environmental (emissions), and technical (energy) comparison of two or more
energy sources is the heating value, which differs from energy source to energy source. The
heating value of coal varies significantly depending on the ash content, moisture content, and the
type of coal, that is, the chemical composition of the coal.
The aim of this work was to examine the influence of the heating value of coal on the quality of
coal as an energy source in energy production in the Gračanica Coal Mine, Gornji Vakuf.
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