Metallothermic reduction of rare earth oxides

Details Metallothermic reduction of rare earth oxides Metallothermic reduction of rare earth oxides

C - Chemistry, Metallurgy

22

B

53/162

C22B 59/00 (2006.01) C22B 5/04 (2006.01)

Patent

CA 1240154

METALLOTHERMIC REDUCTION OF RARE EARTH OXIDES Abstract of the Disclosure Rare earth oxides can be reduced to rare earth metals by a novel, high yield, metallothermic process. The oxides are dispersed in a suitable, molten, calcium chloride bath along with sodium metal. The sodium reacts with the calcium chloride to produce calcium metal which reduces the rare earth oxides to rare earth metals. The metals are collected in a discrete layer in the reaction vessel.

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