THE REDUCTION KINETICS OF IRON OXIDE ORE BY METHANE FOR CHEMICAL-LOOPING COMBUSTION
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Due to increasing atmospheric carbon dioxide (CO2) concentration, energy sources that release to the atmosphere smaller amounts of CO2 are of interest. Initially, all the efforts were focused on increasing the system efficiency, now more attention is being paid recently on capturing and sequestering CO2 from combustion process and eliminating discharge to the atmosphere from the major source points. In these circumstances, the chemical-looping combustion (CLC) is a promising concept that can be used in power generation which integrates power production and CO2 capture. The aim of this work is to study reaction kinetics of Chemical-Looping Combustion. In order to come up with a suitable reactor design we should have a good knowledge of the reaction kinetics happening in the air and fuel reactor; then, to get such an information as will be mentioned later, reactivity investigation was carried out in thermogravimetric analysis (TGA).