In this study, the effect of lime on control of SO2 emissions was investigated by briquetting of coal particles with various lime contents. The influence of the added lime was determined not only from the view of its contribution to environmental aspects but also in terms of effects on the thermal features and reaction kinetics of coal. The extent of improvement was determined by detailed sulfur analysis. Thermal qualification and reaction kinetics of the coal briquettes with varying lime contents were performed by evolved gas analysis and its complementing kinetic model based on Arrhenius principles. At the end of experiments, utilization of lime was seen to contribute considerably to desulfurization process. However, lime addition had an adverse effect both on the effectiveness of combustion and the liability of the coal briquettes to oxidize.
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Original Articles
Retention of SO2 Emission of Coal Combustion by Using Lime in Briquetting
N. Emre Altun
Department of Mining Engineering, Middle East Technical University, Ankara, Turkey
, Cahit Hicyilmaz
Department of Mining Engineering, Middle East Technical University, Ankara, Turkey
& A. Suat Bagci
Department of Petroleum and Natural Gas Engineering, Middle East Technical University, Ankara, Turkey
Pages 469-478
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Published online: 23 Aug 2006
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