Leaching kinetics of colemanite by aqueous EDTA solutions |
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| Authors: | Zafer Karag>olge Mahir Alkan M Muhtar Kocakerim |
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| Affiliation: | 1. Atatürk University, Erzurum, Turkey
2. Department of Chemistry, Necatibey Faculty of Education, Uludaˉg University, Balikesir, Turkey
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| Abstract: | The dissolution kinetics of colemanite, a boron-containing mineral, in aqueous disodium EDTA solutions were studied. The effects
of concentration and pH of the solution, particle size, and temperature were examined. A decrease in pH and particle size
increased the dissolution rate, while an increase in the concentration of the solution and temperature increased the rate.
The activation energy and pre-exponential factor were calculated as 50.6 kJ mol-1 and 5.14 x 107 m s-1, respectively.
Mahir Alkan, Assistant Professor, formerly with Atatürk University, Kazim Karabekir Faculty of Education |
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