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Mechanical activation is an effective pretreatment method that can change the properties of boron concentrates, thus promoting B2O3 leaching from samples. Four boron concentrate samples were milled for 0, 10, 30, and 60 min and leached in a NaOH solution at various leaching temperatures and initial NaOH concentrations. We investigated the main control steps for leaching and obtained the kinetic parameters...
Boron concentrate is one of the major products created during the magnetic separation and gravity treatment of ludwigite. Nevertheless, achieving high B2O3 leaching efficiency in alkaline solution is difficult owing to its low B2O3 grade. This study proposes a mechanical activation (MA) method for the pretreatment of boron concentrate and describes the changes in B2O3 leaching rate of boron concentrate...
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