Reaction Kinetics of Fe 2 O 3 and BaCO 3 to Prepare Ba 2 Fe 2 O 5
Source abstract
Abstract
Abstract Carbon dioxide is a greenhouse gas and substantially affects the global warming and climate change, so study on the adsorption of carbon dioxide is very urgent. As a new CO 2 captor, Ba 2 Fe 2 O 5 was prepared by the solid state reaction of Fe 2 O 3 with BaCO 3 , following formula Fe 2 O 3 + 2BaCO 3 = Ba 2 Fe 2 O 5 + 2CO 2 . The reaction kinetics in isothermal condition was investigated by using the method of thermo-gravimetric analyzer (TGA). It was found that the reaction of Fe 2 O 3 with BaCO 3 was controlled by the diffusion step in the product layer, and the kinetics process could be described by the RPP model (Real Physical Picture) with the apparent activation energy extracted to be 161.122 kJ/mol.
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Research context
OpenAlex topics: Thermal and Kinetic Analysis
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Affiliations
State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
References
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