Study on Comprehensive Utilization of Slag from Vacuum Calcium Thermal Reduction
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Graphical Abstract
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Abstract
The technology of recovering RE from slag of vacuum calcium thermal reduction is studied.Certified RE solution can be obtained by this process and the recovery rate is up to 65.41%.The resultant by-product calcium fluoride can be used as additional agent in Si-Fe alloy metallurgy that makes slag recycled more completely.
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