Nowadays, SO_2 emission is more strictly controlled due to the sensitivity toward environmental protection. As a result of this, use of either fuel containing low sulfur or reduction of SO_2 emission has gained importance. Reduction of SO_2 emission in flue gases by physical and chemical treatments is preferred by large industries in which a huge amount of fuel is used, since fuels containing low sulfur are very expensive. There are many methods for desulfurization of flue gases in the world. One of the popular methods is the treatment of SO_2 with alkaline earth oxides, producing alkaline earth sulfates. The addition of carbonatation sludge into fuel provides not only the reduction of SO_2 emission, but also utilization of a sugar factory's by-product. In this study, a laboratory method was proposed to determine the efficiency of carbonatation sludge addition into high sulfur containing fuel oil or coal used in Turkish Sugar Factories in order to determine the parameters needed for industrial applications.
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