Directional Changes in the Properties of Aluminum Hydroxide-Oxides for Increase in Bauxite Reactivity in Hydrometallurgical Processing |
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| Authors: | L. G. Shumskaya |
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| Affiliation: | (1) United Institute of Geology, Geophysics, and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia |
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| Abstract: | Structural and chemical modifications of the essential Al-containing minerals of bauxite ores - boehmite and diaspore - are examined in the processes of mechanochemical preparation for opening. It is established that the violations changing the character of hydroxide bond and the reactivity of mineralogical bauxite components decrease under mechanical activation in the agrAl(OH)3-ggrAlOOH-agrAlOOH series. The possibilities are considered for intensifying Al2O3 extraction in leaching. |
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| Keywords: | aluminum hydroxide-oxide bauxites leaching boehmite diaspore mechanical activation opening |
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