Dissolution kinetics of ulexite in acetic acid solutions |
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Authors: | Ahmet Ekmekyapar Nizamettin Demirkran Asm Künkül |
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Affiliation: | aDepartment of Chemical Engineering, Faculty of Engineering, Inonu University, Malatya 44280, Turkey |
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Abstract: | Ulexite is an important boron mineral used for the production of boron compounds. The aims of this study are to examine the dissolution kinetics of ulexite in acetic acid solutions, and to present an alternative process to produce boric acid. In order to investigate the dissolution kinetics of ulexite in acetic acid solutions, the concentration of solution, reaction temperature, solid-to-liquid ratio, and particle size were selected as experimental parameters. It was determined that the dissolution rate of ulexite increased with increasing solution concentration and temperature and decreasing particle size and solid-to-liquid ratio. The activation energy of the process was found to be 55.8 kJ/mol. |
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Keywords: | Ulexite Acetic acid Dissolution kinetics Heterogeneous reaction |
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