By Jiann-Yang J. Hwang, Jaroslaw Drelich, Jerome Downey, Tao Jiang, Mark Cooksey
Hot temperature Metallurgical Processing includes the complaints of the second one overseas Symposium on Thermal Processing of Minerals, Metals and fabrics. This symposium explores actual and chemical modifications in fabrics which were designed to facilitate the restoration of beneficial metals or have other worthwhile fabrics. Representatives from either and academia eager about the most recent cutting edge extreme temperature applied sciences. simply because hot temperature strategies require excessive power enter, the presenters addressed the necessity for sustainable applied sciences that can supply low strength intake and coffee toxins emissions. The symposium additionally tested the thermodynamics and kinetics of chemical reactions, part adjustments at increased temperatures, and characterization of fabrics used or produced in extreme temperature processing.
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Additional info for 2nd International Symposium on High-Temperature Metallurgical Processing
Owing to the ilmenite concentrate with a high content of magnesium, there was a (Fe, Mg)Ti2Os phase, which was 28 different from previous study [10, 11]. 3 shows the mass loss rose sharply near 1300 °C, so the reaction didn't reach the equilibrium in this study. The reduction proceeded through the stages of ferric to ferrous iron and ferrous iron to metallic iron . Iron oxides couldn't be reduced completely in the initial reaction. FeO, MgO and TÍO2 form a solid solution in the reduced sample.
When the carbon amount is higher than 10%, the surface is more and more compact and leveling. As a result, CO couldn't escape from the reactive layer fast, which influenced the reaction balance or the equilibrium constant. 7. It could be seen that the bright regions, which were marked by wire-frames, were iron phase, and gray region were titanium oxides. The carbon addition has an important effect on the carbothermal reduction of ilmenite concentrate. Through analyzed this study, the optimum carbon amount is between 10% and 12%.
HUANG Ka-ma. Microwave Chemistry (Beijing, BJ:Science Press, 1999), 8-15. com. cn Keywords: Ilmenite, Carbothermal reduction, Titanium dioxide Abstract The TiCh-rich slag and pig iron can be produced from ilmenite concentrate by the electric furnace process. In this study, ilmenite concentrate was reduced in a vertical furnace equipped with a weighting data acquisition system. The effects of reducing agent (carbon) amount on the iron reduction were studied. The phase transformation, morphology and chemical compositions of reduced samples were investigated by X-ray diffractometry (XRD), scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS), respectively.