The present authors have utilized, for the first time, H3BO3as an additive in pilot scale experiments of Mg production using Pidgeon process. The results from the experiments revealed positive effects of H3BO3on both quantity and quality of the Mg metal crowns. Besides acting as a catalyzer for MgO reduction, H3BO3stabilized also β-Ca2SiO4in the Mg slag. Based on these results, H3BO3may be adopted as an innovative additive replacing fluorite in the Mg production, to enhance sustainability and environmental soundness for the Pidgeon process in China.
Reduction Conditions of Metallic Calcium from Magnesium Production Residues
