Carbochlorination of samarium sesquioxide |
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| Authors: | MR Esquivel AE BohéDM Pasquevich |
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| Institution: | Inorganic Materials Research Program, School of Physical and Chemical Sciences, Queensland University of Technology, 2 George Street, GPO Box 2434, Brisbane, Qld 4001, Australia |
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| Abstract: | The chlorination of Sm2O3 in the presence of carbon using the gaseous mixture Cl2(g)+Ar(g) has been studied by thermogravimetry. The effects of both the temperature between 200 and 950 °C and the total gas flow rate between 2.1 and 7.9 l h−1 on the reaction rate were analyzed. The starting temperature of reaction, the stoichiometry and kinetic regimes of the reaction were obtained. Reactants and products were analyzed by X-ray diffraction (XRD) and electronic dispersive spectroscopy (EDS). The temporal evolution of the solid microstructure was followed by scanning electron microscopy (SEM). |
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| Keywords: | Samaria Thermogravimetry Gas-solid Carbochlorination |
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