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The reduction-oxidation characteristics and proper kinetic models of three different iron ores having respective main phases of FeOOH, Fe3O4, and Fe2O3 were investigated using an isothermal method. A proposed kinetic model was well satisfied to explain the experimental data for CO2 activation to CO with a high accuracy. The kinetic data of the different phases of iron ores for its reduction by H2...
The effects of devolatilization temperature (750-900 o C), coal size (2-12mm) and coal properties (carbon content, Hardgrove index (HGI), pore volume) of anthracite coals on the primary fragmentation and particle size reduction during devolatilization have been determined in a thermobalance reactor. The fragmentation index increases with increasing devolatilization temperature and particle...
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